.header-search__component___HaWFk{background-color:#fff;height:100%;position:relative}@media print{.site-wrapper .header-search__component___HaWFk{display:none}}@media(min-width: 64rem){.header-search__component___HaWFk{display:flex}}.header-search__wrapper___aPFS5{/*! This selector is required for JavaScript component logic. */border-bottom:1px solid;border-color:#31313b;background-color:#fff;height:2.5rem;position:absolute;right:0;top:var(--tagline-height, 0);transform:translateY(0%);width:100vw;z-index:-1}@media(prefers-reduced-motion: no-preference){.header-search__wrapper___aPFS5{transition:transform 250ms ease-in-out}}.header-search__wrapper___aPFS5[aria-hidden=false]{transform:translateY(100%)}@media(min-width: 64rem){.header-search__wrapper___aPFS5{border:none;bottom:-100%;height:100%;max-width:calc((((min(100vw, var(--site-max)) - var(--site-edge) * 2) / var(--site-columns) - (var(--site-gap) / var(--site-columns) * (var(--site-columns) - 1))) * 3) + var(--site-gap) * 2);top:auto;transform:none;width:0;z-index:0}}@media(min-width: 64rem)and (prefers-reduced-motion: no-preference){.header-search__wrapper___aPFS5{transition:width 250ms ease-in-out}}@media(min-width: 64rem){.header-search__wrapper___aPFS5[aria-hidden=false]{transform:none;width:calc((((min(100vw, var(--site-max)) - var(--site-edge) * 2) / var(--site-columns) - (var(--site-gap) / var(--site-columns) * (var(--site-columns) - 1))) * 3) + var(--site-gap) * 2)}}@media(min-width: 64rem){.header-search__component___HaWFk:not(.header-search__is-snhs___NXeUi) .header-search__wrapper___aPFS5{border-left:1px solid;border-color:#31313b;display:block;position:static}.header-search__component___HaWFk:not(.header-search__is-snhs___NXeUi) .header-search__wrapper___aPFS5[aria-hidden=false]{transform:none}}.header-search__form___jUQvh{align-items:center;display:flex;height:100%}.header-search__icon___XDwNR{align-items:center;display:flex;flex-direction:row;justify-content:center;background:no-repeat center/1.25rem 1.25rem;height:100%;width:2.5rem}@media(min-width: 64rem){.header-search__icon___XDwNR{background-size:1rem 1rem}}.header-search__search___rDKZR{background-image:url(https://www.sciencenews.org/wp-content/themes/sciencenews/client/build/media/search.svg)}.header-search__input___mXBSe{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:0;box-sizing:border-box;font:inherit;margin:0;font-size:1rem;line-height:1.5;height:calc(100% - 2px);width:100%}.header-search__input___mXBSe::-ms-clear{display:none}@media(min-width: 64rem){.header-search__input___mXBSe{font-size:.875rem;line-height:1.7142857143}}.header-search__toggle___vQkrq{/*! This selector is required for JavaScript component logic. */-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:0;box-sizing:border-box;font:inherit;margin:0;background-color:rgba(0,0,0,0);padding:0;background-color:#fff;height:100%;overflow:hidden;position:relative;width:2.5rem}.header-search__toggle___vQkrq .header-search__toggle-inner___5P7ST{display:flex;height:100%;left:0;position:absolute;top:0;width:5rem}@media(prefers-reduced-motion: no-preference){.header-search__toggle___vQkrq .header-search__toggle-inner___5P7ST{transition:left 250ms ease-in-out}}.header-search__toggle___vQkrq[aria-expanded=true] .header-search__toggle-inner___5P7ST{left:-2.5rem}.header-search__toggle___vQkrq .header-search__open___9MajL{/*! This selector is required for JavaScript component logic. */background-image:url(https://www.sciencenews.org/wp-content/themes/sciencenews/client/build/media/search.svg)}.header-search__toggle___vQkrq .header-search__close___-Jb-H{/*! This selector is required for JavaScript component logic. */background-image:url(https://www.sciencenews.org/wp-content/themes/sciencenews/client/build/media/close.svg)}@media(min-width: 64rem){.snhs .header-search__component___HaWFk{height:2.1875rem}}.snhs .header-search__wrapper___aPFS5{/*! This selector is required for JavaScript component logic. */}@media(min-width: 64rem){.snhs .header-search__wrapper___aPFS5{border:1px solid rgba(49,49,59,.2)}}@media(min-width: 64rem){.snhs .header-search__icon___XDwNR{background-size:1.25rem 1.25rem}}
.nav-bar__wrapper___0b-CD{/*! This selector is required for JavaScript component logic. */border-bottom:1px solid;border-color:#31313b;align-items:center;background-color:#fff;-moz-column-gap:.75rem;column-gap:.75rem;display:grid;grid-auto-columns:max-content;grid-auto-flow:column;grid-template-columns:max-content 1fr max-content;height:2.5rem;justify-content:space-between}@media(min-width: 64rem){.nav-bar__wrapper___0b-CD{display:block;height:auto}.nav-bar__wrapper___0b-CD>[data-component=header-search],.nav-bar__wrapper___0b-CD>[data-component=header-search]+button{display:none}}.nav-bar__toggle___4pRfS{/*! This selector is required for JavaScript component logic. */-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:0;box-sizing:border-box;font:inherit;margin:0;background-color:rgba(0,0,0,0);padding:0;border-right:1px solid;border-color:#31313b;height:100%;width:2.5rem}@media print{.site-wrapper .nav-bar__toggle___4pRfS{display:none}}@media(min-width: 64rem){.nav-bar__toggle___4pRfS{display:none}}.nav-bar__toggle___4pRfS .nav-bar__icon___ypN9u{height:.8125rem;width:1.2904411765rem;background:no-repeat center/contain url(https://www.sciencenews.org/wp-content/themes/sciencenews/client/build/media/menu.svg);display:block;margin:0 auto;pointer-events:none}.nav-bar__nav-bar___PdKD4{/*! This selector is required for JavaScript component logic. */margin-left:auto;margin-right:auto;max-width:100%;width:100vw;background-color:#fff;box-shadow:0 4px 3px 0 rgba(0,0,0,.5);background-color:#fff;left:0;padding:1.25rem var(--site-edge);position:absolute;top:100%;transform:translateX(-110%);width:100%;z-index:1}@media print{.site-wrapper .nav-bar__nav-bar___PdKD4{display:none}}@media(min-width: 90rem){.nav-bar__nav-bar___PdKD4{max-width:var(--site-max)}}@media(prefers-reduced-motion: no-preference){.nav-bar__nav-bar___PdKD4{transition:transform 250ms ease-in-out}}.nav-bar__nav-bar___PdKD4[aria-hidden=false]{transform:translateX(0)}@media(min-width: 64rem){.nav-bar__nav-bar___PdKD4{box-shadow:none;display:flex;height:2.1875rem;padding:0;position:static;transform:none}}.nav-bar__home-link___p-697{margin-left:auto;margin-right:auto;display:var(--display-no-desktop, block);width:-moz-max-content;width:max-content}.nav-bar__home-link___p-697:hover,.nav-bar__home-link___p-697:focus{text-decoration:none}.nav-bar__home-link___p-697 svg{height:1.25rem;width:9.0361445783rem;fill:#005587}.nav-bar__tagline___fE7LQ{color:#31313b}@media(max-width: 63.9375rem){.nav-bar__tagline___fE7LQ{border:0;clip:rect(0, 0, 0, 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}}.nav-bar__actions___afEUJ{/*! This selector is required for JavaScript component logic. */}@media(min-width: 64rem){.nav-bar__actions___afEUJ{display:flex}}.nav-bar__zephr-auth___wuSi4{align-items:center}.nav-bar__auth-header___uyIiK{display:var(--display-no-desktop, flex)}.nav-bar__auth-action___lulmd{display:var(--display-no-mobile, flex)}@media(min-width: 64rem){.nav-bar__auth-action___lulmd{border-left:1px solid;border-color:#31313b}}.nav-bar__donate-link___gI-RC{font-size:.75rem;line-height:1.1666666667;margin-left:auto;margin-right:auto;align-items:center;display:flex;flex-direction:row;justify-content:center;letter-spacing:.075em;text-transform:uppercase;display:inline-flex;font-size:.875rem;font-weight:700;line-height:1;padding:0 1.25rem;text-align:center;width:-moz-max-content;width:max-content;background-color:#d4441f;color:#fff;font-weight:900;height:1.875rem;margin-top:.625rem}.nav-bar__donate-link___gI-RC:hover,.nav-bar__donate-link___gI-RC:focus{text-decoration:none}@media(min-width: 64rem){.nav-bar__donate-link___gI-RC{font-size:.875rem;line-height:1.2142857143;height:100%;margin-top:0}}.snhs .nav-bar__wrapper___0b-CD{/*! This selector is required for JavaScript component logic. */}@media(min-width: 64rem){.snhs .nav-bar__wrapper___0b-CD{align-items:center;border:none;display:flex;flex-wrap:wrap;padding:1.875rem 0}}.snhs .nav-bar__nav-bar___PdKD4{/*! This selector is required for JavaScript component logic. */}@media(min-width: 64rem){.snhs .nav-bar__nav-bar___PdKD4{align-items:center;height:auto;width:calc((((min(100vw, var(--site-max)) - var(--site-edge) * 2) / var(--site-columns) - (var(--site-gap) / var(--site-columns) * (var(--site-columns) - 1))) * var(--site-columns)) + var(--site-gap) * (var(--site-columns) - 1))}}@media(min-width: 64rem){.snhs .nav-bar__actions___afEUJ{height:2.1875rem}}@media(min-width: 64rem){.snhs .nav-bar__auth-action___lulmd{border:none}}.snhs .nav-bar__donate-link___gI-RC{height:100%}@media print{.nav-bar__wrapper___0b-CD{height:auto;padding:.625rem 0}.nav-bar__home-link___p-697{margin-left:auto;margin-right:auto;display:block !important}.nav-bar__home-link___p-697 svg{height:2.5rem;width:18.0722891566rem;margin-bottom:.375rem}.nav-bar__tagline___fE7LQ{font-size:.75rem;font-weight:700;line-height:1;letter-spacing:.075em;text-transform:uppercase;display:block !important}}
.primary-menu__menu___YlL1y,.primary-menu__topics-menu___g55Mb{/*! These selectors are required for JavaScript component logic. */font-size:.75rem;font-weight:700;line-height:1.1666666667;letter-spacing:.075em;text-transform:uppercase}.primary-menu__menu___YlL1y>.primary-menu__menu-item___lG0qw:not(.primary-menu__has-children___62ePc),.primary-menu__topics-menu___g55Mb>.primary-menu__menu-item___lG0qw:not(.primary-menu__has-children___62ePc){border-bottom:1px solid;border-color:rgba(49,49,59,.2)}@media(min-width: 64rem){.primary-menu__menu___YlL1y>.primary-menu__menu-item___lG0qw:not(.primary-menu__has-children___62ePc),.primary-menu__topics-menu___g55Mb>.primary-menu__menu-item___lG0qw:not(.primary-menu__has-children___62ePc){border:none}}.primary-menu__menu___YlL1y{/*! This selector is required for JavaScript component logic. */}@media(min-width: 64rem){.primary-menu__menu___YlL1y{align-items:center;-moz-column-gap:1.75rem;column-gap:1.75rem;display:flex;margin-left:auto;margin-right:.75rem}}.primary-menu__topics-menu___g55Mb{/*! This selector is required for JavaScript component logic. */}@media(min-width: 64rem){.primary-menu__topics-menu___g55Mb{display:none}}.primary-menu__menu-item___lG0qw{-moz-column-break-inside:avoid;break-inside:avoid-column}.primary-menu__menu-item___lG0qw[aria-current=page]{color:#176cab;font-weight:900}.primary-menu__menu-item___lG0qw>a{display:inline-block;padding:.75rem 0}@media(min-width: 64rem){.primary-menu__sub-menu___Nrtos .primary-menu__menu-item___lG0qw{margin:0}}.primary-menu__has-children___62ePc{/*! This selector is required for JavaScript component logic. */border-bottom:1px solid;border-color:rgba(49,49,59,.2);padding-bottom:0;position:relative}@media(min-width: 64rem){.primary-menu__has-children___62ePc{border:none;margin-bottom:0}}.primary-menu__has-children___62ePc>a{display:inline-block;padding:.75rem 0 .375rem 0}@media(min-width: 64rem){.primary-menu__has-children___62ePc>a{align-items:center;display:flex;margin-bottom:0;padding-bottom:.75rem}}.primary-menu__has-children___62ePc>a[aria-expanded=true] svg{transform:rotate(0.5turn)}.primary-menu__has-children___62ePc svg{display:none}@media(min-width: 64rem){.primary-menu__has-children___62ePc svg{height:.375rem;width:.6rem;display:block;fill:currentColor;margin-left:.3125rem}}@media(min-width: 64rem)and (prefers-reduced-motion: no-preference){.primary-menu__has-children___62ePc svg{transition:transform 250ms ease-in-out}}.primary-menu__sub-menu___Nrtos{-moz-column-count:2;column-count:2;-moz-column-gap:var(--site-gap);column-gap:var(--site-gap)}.primary-menu__sub-menu___Nrtos .primary-menu__menu-item___lG0qw>a{font-weight:300;padding:.5rem 0 .625rem 0}@media(min-width: 64rem){.primary-menu__sub-menu___Nrtos .primary-menu__menu-item___lG0qw>a{font-weight:700}}@media(min-width: 64rem){.primary-menu__sub-menu___Nrtos{background-color:#fff;box-shadow:0 4px 3px 0 rgba(0,0,0,.5);-moz-columns:auto;columns:auto;display:none;left:0;min-width:11.25rem;padding:.625rem;position:absolute;top:50%;transform:translateY(1.09375rem)}.primary-menu__sub-menu___Nrtos[aria-hidden=false]{display:block}}.snhs .primary-menu__menu___YlL1y{/*! This selector is required for JavaScript component logic. */}@media(min-width: 64rem){.snhs .primary-menu__menu___YlL1y{font-size:.9375rem;line-height:1.2;height:2.1875rem}}@media(min-width: 64rem){.snhs .primary-menu__menu-item___lG0qw:not(:last-child){margin-right:1.25rem}}
.site-header__wrapper___EBXQN{color:#31313b;margin-bottom:.75rem;position:relative;z-index:2}@media(min-width: 64rem){.site-header__wrapper___EBXQN{border-bottom:1px solid;border-color:#31313b;height:auto;margin-bottom:1.875rem}}.tax-snhs-category .site-header__wrapper___EBXQN,.tag .site-header__wrapper___EBXQN,.category .site-header__wrapper___EBXQN,.single-header-immersive .site-header__wrapper___EBXQN,.page-template-page-all-topics .site-header__wrapper___EBXQN,.page-template-page-editors-picks .site-header__wrapper___EBXQN,.post-type-archive-educators_guide .site-header__wrapper___EBXQN,.tax-article-type .site-header__wrapper___EBXQN,.snhs-home .site-header__wrapper___EBXQN,.error404 .site-header__wrapper___EBXQN,.snhs-search .site-header__wrapper___EBXQN,.search .site-header__wrapper___EBXQN,.tax-editors-picks .site-header__wrapper___EBXQN{margin-bottom:0}.site-header__wrapper___EBXQN.site-header__has-alert-banner___7Wzs6{--tagline-height: 1.625rem}.site-header__branding___ANiJ3{display:none}@media print{.site-wrapper .site-header__branding___ANiJ3{display:none}}@media(min-width: 64rem){.site-header__branding___ANiJ3{margin-left:auto;margin-right:auto;align-items:center;display:flex;height:6.625rem;justify-content:space-between;width:calc((((min(100vw, var(--site-max)) - var(--site-edge) * 2) / var(--site-columns) - (var(--site-gap) / var(--site-columns) * (var(--site-columns) - 1))) * 12) + var(--site-gap) * 11)}}.site-header__home-link___wduac{color:#005587}.site-header__home-link___wduac:hover,.site-header__home-link___wduac:focus{text-decoration:none}@media(min-width: 64rem){.site-header__home-link___wduac svg{height:2.8125rem;width:20.3313253012rem}}.site-header__tagline___agp8-{color:#31313b}@media(min-width: 64rem){.site-header__tagline___agp8-{font-size:.75rem;font-weight:700;line-height:1;letter-spacing:.075em;text-transform:uppercase}}.site-header__alert-banner___dqlGJ{align-items:center;background-color:#d4441f;color:#fff;display:flex;font-size:.875rem;height:var(--tagline-height);justify-content:center}@media(min-width: 64rem){.site-header__alert-banner___dqlGJ{display:none}}
.site-header-minimal__wrapper___qTTL3{font-size:.9375rem;line-height:1.2;align-items:center;justify-content:center;margin-bottom:1.125rem}.site-header-minimal__top___GB7Um{background-color:#005587;border-bottom:1px solid #31313b;display:grid;height:2.5rem;place-content:center}@media(min-width: 64rem){.site-header-minimal__top___GB7Um{height:5.25rem}}.site-header-minimal__bottom___64G9B{display:var(--display-no-mobile, grid);height:2.75rem;place-content:center}.site-header-minimal__home-link___MIcP9:hover,.site-header-minimal__home-link___MIcP9:focus{text-decoration:none}.site-header-minimal__home-link___MIcP9 svg{margin-left:auto;margin-right:auto;height:1.125rem;width:8.1325301205rem;fill:#fff}@media(min-width: 64rem){.site-header-minimal__home-link___MIcP9 svg{height:2.75rem;width:19.8795180723rem}}.site-header-minimal__tagline___-iDc-{letter-spacing:.075em;text-transform:uppercase;color:#31313b;text-align:center}@media(min-width: 64rem){.site-header-minimal__tagline___-iDc-{font-size:inherit}}
.snhs-branding__link___5D6uA:hover,.snhs-branding__link___5D6uA:focus{text-decoration:none}@media(min-width: 64rem){.snhs-branding__link___5D6uA{margin-right:1.875rem}}.snhs-branding__link___5D6uA svg{height:1.125rem;width:11.3289473684rem;fill:#00478b}@media(min-width: 64rem){.snhs-branding__link___5D6uA svg{height:1.75rem;width:17.6228070175rem}}@media(max-width: 63.9375rem){.snhs-branding__link___5D6uA.snhs-branding__nav-bar___xqYDP{display:none}}.snhs-branding__link___5D6uA.snhs-branding__mobile-header___1QtR5{margin-left:auto;margin-right:auto}@media(min-width: 64rem){.snhs-branding__link___5D6uA.snhs-branding__mobile-header___1QtR5{display:none}}.snhs-branding__link___5D6uA.snhs-branding__footer___PCDVl{--sn-learning-logo-fill-color: #FFFFFF;margin-right:0}.snhs-branding__link___5D6uA.snhs-branding__footer___PCDVl svg{height:1.375rem;width:13.8464912281rem}@media(min-width: 64rem){.snhs-branding__link___5D6uA.snhs-branding__footer___PCDVl svg{height:1.75rem;width:17.6228070175rem}}.snhs-branding__link___5D6uA.snhs-branding__footer___PCDVl .snhs-branding__tagline___fyf82{font-weight:500}.snhs-branding__tagline___fyf82{font-size:1rem;font-weight:700;line-height:1;display:block;margin-top:.3125rem}@media(max-width: 63.9375rem){.snhs-branding__tagline___fyf82{border:0;clip:rect(0, 0, 0, 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}}
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