Humans
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Health & Medicine6 answers to parents’ COVID-19 questions as kids return to school
Universal masking in schools could prevent a bumpy 2021–22 schoolyear and keep kids, many of whom are too young to be vaccinated, safe, experts say.
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Health & MedicineWhat kids lost when COVID-19 upended school
Researchers are starting to tally how a year and a half of pandemic has left many children struggling academically and emotionally.
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Health & MedicineSchools are reopening. COVID-19 is still here. What does that mean for kids?
Children do get COVID-19, and some become very sick and even die. But the disease’s long-term effects on kids remain uncertain.
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Health & MedicineWhat science tells us about reducing coronavirus spread from wind instruments
Performers struggled to find evidence that would free them from musical lockdown, so they partnered with researchers to get some answers.
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Health & MedicineNew delta variant studies show the pandemic is far from over
The coronavirus’s delta variant is different from earlier strains of the virus in worrying ways, health officials are discovering.
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AnthropologyA skeleton from Peru vies for the title of oldest known shark attack victim
The 6,000-year-old remains of a teen with a missing leg and tell-tale bite marks came to light after news of a 3,000-year-old victim in Japan surfaced.
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Health & MedicineWhy the CDC says it’s crucial to start wearing masks indoors again
While unvaccinated people are driving the spread of the coronavirus, vaccinated people infected with the delta variant may also easily transmit it.
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Health & MedicineWhy it’s still so hard to find treatments for early COVID-19
Small studies, unexpected side effects and incomplete information about how drugs work can stymie clinical trials for drugs that can treat COVID-19.
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Health & MedicineWhat experts know so far about COVID-19 boosters for immunocompromised people
Some immunocompromised people remain at risk for severe COVID-19 despite being vaccinated. Studies hint that an additional vaccine dose might help.
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AnthropologyA partial skeleton reveals the world’s oldest known shark attack
An ancient shark bite victim died quickly, before his body was recovered and buried, a new study finds.
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Health & MedicineThe coronavirus cuts cells’ hairlike cilia, which may help it invade the lungs
Images show that the coronavirus clears the respiratory tract of hairlike structures called cilia, which keep foreign objects out of the lungs.
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HumansOnly a tiny fraction of our DNA is uniquely human
Some of the exclusively human tweaks to DNA may have played a role in brain evolution.