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Accumulated Mutations Create A Cellular Mosaic In Our Bodies

It turns out you aren't simply a clone of cells from the womb. Over a lifetime, mutations create a patchwork of tissues made with pieces that have subtly different genetic signatures.

Top EPA Science Adviser Has History Of Questioning Pollution Research

Michael Honeycutt, the top toxicologist for Texas, is the latest chair of the EPA's science advisory board. But some scientists warn his views align more with industry than with scientific consensus.

Joan Garcia became pregnant at 14 and gave birth at 15. She and her child travel by raft between the two shacks where they live in Navotas fish port on Manila Bay.

PHOTOS: Why The Philippines Has So Many Teen Moms

Over a 10-year period, 1.2 million Filipina girls between the ages of 10 and 19 have had a child. The government is trying to change things. But the pandemic has made matters worse.

Empty chairs are shown in the living area of Aury's Home Care in Chula Vista on July 19, 2020. Three residents at the assisted living facility have died from COVID-19.

San Diego County Won’t Disclose Which Assisted Living Homes Have COVID-19 Cases

San Diego County has 590 assisted living homes. The county won’t name the homes with COVID-19 cases or deaths. And the state won’t release any information on the homes with six or fewer beds.

A triangle-weaver spider holds its web in tension.

Spider Uses Web As Slingshot To Ensnare Prey, Scientists Find

There's a type of spider that can slowly stretch its web taut and then release it, causing the web to catapult forward and entangle unsuspecting prey in its strands.

An aerial view from a drone shows a car as it drives through a street flooded with ocean water in Key Largo, Fla., on Oct. 22.

This Florida Keys Neighborhood Has Been Flooded For Nearly 3 Months

Exceptionally high "king tides," combined with rising seas, have left some Key Largo residents surrounded by water. Getting out of the house for work and daily chores can be a challenge.

A stretch of the Mississippi River from New Orleans to Baton Rouge, La., that is crowded with chemical plants has been called "Cancer Alley" because of the health problems there.

A Call For More Research On Cancer's Environmental Triggers

Scientists are making progress in identifying environmental hazards that contribute to cancer. Researchers say many cases could be avoided if the work is accelerated.

The Smithsonian celebrates the 50th anniversary of the Apollo 11 launch by projecting a 363-foot visual rocket.

For Apollo 11's 50th Anniversary, The Washington Monument Becomes A Rocket

Fifty years after the Saturn V rocket carried the astronauts to the moon, the Smithsonian National Air and Space Museum is honoring the historic mission with a giant projection.

When an infected person touches a surface, like a door handle, there's a risk they leave viruses stuck there that can live on for two to three days.

The New Coronavirus Can Live On Surfaces For 2-3 Days — Here's How To Clean Them

A new study measured the life span of the novel coronavirus on surfaces. Here's what they found, plus expert advice for cleaning the stuff you touch.

Iranian President Hassan Rouhani announced Tuesday that Iran will begin injecting uranium gas into centrifuges.

Iran Takes Another Step To Enrich Uranium, In Another Blow To Nuclear Deal

Tehran says it will start injecting uranium gas into centrifuges, the latest in a series of breaches since President Trump's decision to abandon the nuclear deal and impose economic sanctions.

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