Humans

What does COVID-19 vaccine efficacy mean?

With several vaccines against COVID-19 in late-phase testing, the business of measuring...

How will Trump’s COVID-19 treatments work together?

In the four days since revealing he had COVID-19, President Donald Trump...

Drones find signs of a Native American ‘Great Settlement’ beneath a Kansas pasture

Specially equipped drones flying over a Kansas cattle ranch have detected the...

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Why African-Americans may be especially vulnerable to COVID-19

COVID-19 was called the great equalizer. Nobody was immune; anybody could succumb. But the virus’ spread across the United States is exposing...

Interstellar comet Borisov has an unexpected amount of carbon monoxide

Second visitor from the stars has three times the CO relative to H2O than any local comets Comet 2I/Borisov,...

Red giant stars that eat planets might shine less brightly

When giant stars eat giant planets, their starlight may shine a bit less brightly. That dimming could affect how astronomers measure distances...

Economic costs of rising seas will be steeper than we thought, unless we prepare

Rising seas that swamp cities and coastal infrastructure could cost the world more than 4 percent of the global economy each year...

How Hurricane Maria’s heavy rains devastated Puerto Rico’s forests

Wind may be the usual suspect for knocking down trees during hurricanes, but a new survey of forest damage in Puerto Rico...

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More evidence hints that hydroxychloroquine doesn’t help treat COVID-19

The malaria drug hydroxychloroquine has been touted by some, including President Trump, as nearly a miracle cure for COVID-19. But new preliminary...

Pollen-deprived bumblebees may speed up plant blooming by biting leaves

Here’s a bumblebee tip that might get a slowpoke plant to bloom early. Just bite its leaves. At least...

Some existing drugs might fight COVID-19. One may make it worse

Scientists are investigating a variety of drugs, including ones for anxiety and allergies, that might prevent the coronavirus from hijacking different cell...

A new 3-D map illuminates the ‘little brain’ within the heart

The heart has its own “brain.” Now, scientists have drawn a detailed map of this little brain, called the intracardiac nervous system,...

Why COVID-19 is more deadly in people with obesity-even if they’re young

Science's COVID-19 reporting is supported by the Pulitzer Center and the Heising-Simons Foundation. This spring, after days of flulike...