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Tiny airborne particles may pose a big coronavirus problem

NEW YORK (AP) — At a University of Maryland lab, people infected with the new coronavirus take turns sitting in a chair and putting their faces into the big end of a large cone. They recite the alphab...

Stone tools suggest earlier human presence in North America

NEW YORK (AP) — Stone tools found in a Mexican cave suggest that people were living in North America as early as about 26,500 years ago, much earlier than most scientists accept, a new study says. ...

Profile of a killer: Unraveling the deadly new coronavirus

NEW YORK (AP) — What is this enemy? Seven months after the first patients were hospitalized in China battling an infection doctors had never seen before, the world has reached an uns...

Profile of a killer: Unraveling the deadly new coronavirus

NEW YORK (AP) — What is this enemy? Seven months after the first patients were hospitalized in China battling an infection doctors had never seen before, the world’s scientists and c...

Waste-watching: Sewage can help track pandemic virus trends

NEW YORK (AP) — One county in Utah beat back a spike of pandemic virus infections in the spring, and another saw its rate jump. Both trends showed up in their sewage. Yes, sewage. Ac...

Trump speculates that China released virus in lab ‘mistake’

WASHINGTON (AP) — President Donald Trump has speculated that China could have unleashed the coronavirus on the world due to some kind of horrible “mistake,” and his intelligence agen...

New virus timeline: California had 2 deaths weeks earlier

SAN FRANCISCO (AP) — Two people with the coronavirus died in California as much as three weeks before the U.S. reported its first death from the disease in late February — a gap that a top health offi...

Trump, aides, float outlier theory on origins of coronavirus

WASHINGTON (AP) — President Donald Trump and some of his officials are flirting with an outlier theory that the new coronavirus was set loose on the world by a Chinese lab that let it escape. Without ...

Tie game: Ancient bit of string shows Neanderthal handiwork

NEW YORK (AP) — It looked like a white splotch on the underside of a Neanderthal stone tool. But a microscope showed it was a bunch of fibers twisted around each other. Further exami...

Loss of smell, taste, might signal pandemic virus infection

NEW YORK (AP) — A loss of smell or taste might be an early sign of infection with the pandemic virus, say medical experts who cite reports from several countries. It might even serve...

'Wonderchicken' fossil reveals ancestor of today's birds

New York (AP) — A tiny fossil skull nicknamed “Wonderchicken” is giving scientists a rare glimpse at early ancestors of today's birds. It may be the oldest known fossil from this group. ...

Scientist links 2 state outbreaks with genetic fingerprints

SEATTLE (AP) — A U.S. scientist is helping public health authorities understand and track the coronavirus, turning up clues about how it arrived and spread through Washington state and beyond, includi...

Science Says: How risky is that virus? Your mind may mislead

NEW YORK (AP) — Anna Alexander, a property manager in Virginia Beach, Virginia, started the day Monday thinking that she might avoid shaking hands because of the coronavirus outbreak. Then somebody st...

Mars lander confirms quakes, even aftershocks on red planet

CAPE CANAVERAL, Fla. (AP) — NASA's newest Mars lander has confirmed that quakes and even aftershocks are regularly jolting the red planet. Scientists reported Monday that the seismo...

Telescope reveals details of sun's turbulent surface

NEW YORK (AP) — A telescope in Hawaii has produced its first images of the sun, revealing its turbulent gas surface in what scientists called unprecedented detail. They show the surf...