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3,582 results for: assessments
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SpaceWhy losing Arecibo is a big deal for astronomy
The radio telescope at the Arecibo Observatory has collapsed, robbing scientists of a special tool for studying everything from asteroids to galaxies.
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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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PlantsThese plants seem like they’re trying to hide from people
A plant used in traditional Chinese medicine has evolved remarkable camouflage in areas with intense harvesting pressure, a study suggests.
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Health & MedicineLong-lasting shots work better than daily pills to prevent HIV in at-risk women
A more discreet HIV prevention method — a shot once every eight weeks —could help to boost use in women at risk.
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AstronomyArecibo Observatory, an ‘icon of Puerto Rican science,’ will be demolished
The telescope, known for cameos in moves like Contact and for fast radio burst observations, was feared to be on the verge of collapse.
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AnthropologyArdi and her discoverers shake up hominid evolution in ‘Fossil Men’
A new book covers the big personalities, field exploits and scientific clashes behind the discovery of the hominid skeleton nicknamed Ardi.
By Bruce Bower -
Health & MedicineImmunity to COVID-19 may persist six months or more
Even after recovery, the body continues to improve its antibody response to the coronavirus — perhaps thanks to viral bits hiding in the intestine.
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PaleontologyBat-winged dinosaurs were clumsy fliers
The two known species of bat-winged dinosaurs were a dead end when it comes to the evolution of bird flight, a new study finds.
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Psychology‘Deaths of despair’ are rising. It’s time to define despair
A sense of defeat, not mental ailments, may be derailing the lives of less-educated people in the United States.
By Bruce Bower -
Health & MedicineCoronavirus shutdowns don’t need to be all or nothing
Governments are implementing more targeted restrictions like limiting restaurant capacity to slow a fall surge. Research suggests they could work.
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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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Health & MedicineThe arthritis drug tocilizumab doesn’t appear to help fight COVID-19
The best available evidence so far hasn’t found that the anti-inflammatory drug benefited patients hospitalized with COVID-19.