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We summarize the week's scientific breakthroughs every Thursday.
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Science & SocietyThese 6 graphs show that Black scientists are underrepresented at every level
In the U.S., Black people are underrepresented in STEM fields, both as students and in the workforce.
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Health & MedicineThe FDA has authorized Pfizer’s COVID-19 vaccine. Now what?
It’s the first to win emergency use approval in the United States.
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Science & SocietyThis COVID-19 pandemic timeline shows how fast the coronavirus took over our lives
Look back on how the coronavirus pandemic took over 2020 and how efforts to fight back evolved.
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Health & MedicineExperts recommend the FDA approve Pfizer’s COVID-19 vaccine for emergency use
Pfizer-BioNTech’s COVID-19 vaccine is one step closer to emergency use authorization in the United States.
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Health & MedicineHow some ticks protect themselves from deadly bacteria on human skin
A gene that ticks acquired from bacteria 40 million years ago may help the arachnids keep potential pathogens at bay while feeding on blood.
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Health & MedicineAs 2020 comes to an end, here’s what we still don’t know about COVID-19
After making fast progress understanding COVID-19, researchers are still in search of answers.
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ArchaeologyAncient people may have survived desert droughts by melting ice in lava tubes
Bands of charcoal from fires lit long ago, found in an ice core from a New Mexico cave, correspond to five periods of drought over 800 years.
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Health & MedicineHere’s what you need to know about the COVID-19 vaccines
There are still important unknowns about how Pfizer’s vaccine and others will work once they get injected in people around the world.
By Tina Hesman Saey and Jonathan Lambert -
ArchaeologyTwo stones fuel debate over when America’s first settlers arrived
Stones possibly used to break mastodon bones 130,000 years ago in what is now California get fresh scrutiny.
By Bruce Bower -
HumansAncient humans may have deliberately voyaged to Japan’s Ryukyu Islands
Satellite-tracked buoys suggest that long ago, a remote Japanese archipelago was reached by explorers on purpose, not accidentally.
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Health & MedicineThe ‘last mile’ for COVID-19 vaccines could be the biggest challenge yet
The need for cold storage and booster shots could create problems for distributing coronavirus vaccines to nearly everyone in the world.
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Health & MedicineThe U.K. is the first country to authorize a fully tested COVID-19 vaccine
Pfizer will deliver the first of 40 million doses of its coronavirus vaccine promised to the United Kingdom in the coming days.