Over the past two decades, researchers have gained a great deal of insight into the risks surrounding concussions – some of which has led to sweeping policy changes.
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Millions of sports-related concussions occur in the US every year. Many of them happen to high school and college athletes.
Whitney Houston sings the national anthem on January 27, 1991, at Super Bowl XXV during the Persian Gulf War.
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For the NFL, playing the national anthem started as a patriotic marketing ploy. It’s now played before every game alongside ‘Lift Every Voice,’ the Black national anthem, and ‘America the Beautiful.’
Hemp plants growing on a farm in Colorado.
In the first published survey of users of the hemp-derived compound, respondents highlight some important therapeutic effects.
Young people say they don’t use protection during oral sex.
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Oral sex is common among young people. Protection from STIs is not.
Wishing won’t be enough to make the pandemic history.
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None of our authors can see the future, but many do have expertise that offers insights about what’s reasonable to expect.
So far in 2021, there have been over 200 school shootings.
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With school shootings in 2021 at the highest they’ve ever been, experts on the topic offer advice about what to do about it.
Conversation in person usually feels effortless. Conversation over video? Not so much.
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It appears that the rhythms of your brain waves get in sync with the speech patterns of the person you’re conversing with. Videoconferencing throws off that syncing process.
Spotted hyenas provide ecosystem services that improve human welfare and contribute to sustainable development goals.
Un Bangladais reçoit une dose de vaccin Covid-19.
Mahmud Hossain Opu/AP
Chaque dose de Pfizer suit un parcours long et complexe au cours duquel elle sera mélangée et conservée à des températures polaires selon un protocole bien spécifique avant de pouvoir être injectée.
Un hombre recibe una vacuna en Bangladesh.
AP Photo/Mahmud Hossain Opu
Antes de ser inoculada, cada dosis de Pfizer hace un largo y complejo camino que implica la mezcla, el almacenamiento a temperaturas más frías que el Polo Sur y protocolos específicos que deben cumplirse con extremo control.
Social technologies perpetuate a single idea of what constitutes a pregnancy.
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New research shows technologies like pregnancy apps do not account for pregnancy loss 72% of the time, causing real harm to users.
Surplus corn piled outside a farmer’s co-op storage facility in Paoli, Colorado.
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The US has required motor fuels to contain 10% biofuels since 2005. As this program nears a key milestone in 2022, farm advocates want to expand it while critics want to pare it back or repeal it.
The scene of the latest – but likely not the last – U.S. school shooting.
AP Photo/Paul Sancya
A 15-year-old sophomore killed four students in a Michigan school attack. The gun he used was purchased by his father just four days earlier.
4.5 million-year-old cranium of the fossil elephant Loxodonta adaurora, from Ileret, Kenya, in right lateral and front views.
Figure courtesy of Carol Abraczinskas, University of Michigan Museum of Paleontology
The anatomy of the teeth in the cranium and its bones show that it belongs to an extinct cousin of the living African savanna and forest elephants.
You might like both, but guess which has addictive properties.
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Ultra-processed foods meet the same criteria for addictiveness that tobacco products do – and they’ve even been marketed in similar ways.
Reckless policies are to blame for Brazil’s high death toll.
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More than 600,000 Brazilians have died of COVID-19 since the beginning of the pandemic. A new report says the policies of President Jair Bolsonaro are responsible for around half.
Ceci n'est pas un Magritte.
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Three tobacco-flavored cartridges and a vaping device have been approved by the FDA for sale in the US. It comes after a decadelong debate over e-cigarettes.
Tiny changes, like a butterfly’s wing flapping, can be amplified downstream in a chaotic system.
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Part of the 2021 Nobel Prize in Physics was awarded for work modeling Earth’s climate using its chaotic, complex weather. To scientists, chaos lies in the gray zone between randomness and predictability.
U.S. public school enrollment overall decreased by 3% in the fall of 2020, but kindergarten enrollment dropped 9%.
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Fewer students enrolled in public school and more were home-schooled during the 2020-21 school year. Researchers analyzed records in Michigan to understand what drove parents to make these decisions.
Early detection of diabetes is important in setting treatment targets
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Targets for diabetes would improve healthy lives, reduce deaths, and be cost effective. But they should not be for managing diabetes alone; they must include treating hypertension.