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Latest Headlines

06/11/2019

News

These knotted cords may hide the first evidence that the Incas collected taxes

Jun 11 2019 7:00 AM

Some knotted string devices point to crop levies imposed by the Incan empire, researchers say. But other khipus continue to evade description.

News

Genealogy companies could struggle to keep clients' data from police

Jun 10 2019 12:00 PM

Police probably won't stop searching DNA family trees to find crime suspects. New restrictions on database searches could spur more fights over privacy.

News

Some fungi trade phosphorus with plants like savvy stockbrokers

Jun 10 2019 10:00 AM

New views show how fungi shift their stores of phosphorus toward more favorable markets where the nutrient is scarce.

News in Brief

The U.S. is still using many pesticides that are banned in other countries

Jun 10 2019 8:00 AM

In 2016, the United States used millions of kilograms of pesticides that are banned or being phased out in the European Union, Brazil and China.

Reviews & Previews

Carbon plays a starring role in the new book 'Symphony in C'

Jun 10 2019 6:00 AM

In Symphony in C, geophysicist Robert Hazen explores carbon's ancient origins, its role in life and its importance in the modern world.

News in Brief

Medicaid-expanding states had fewer cardiovascular deaths than other states

Jun 07 2019 1:00 PM

Counties in states with expanded Medicaid eligibility had 4.3 fewer cardiovascular deaths per 100,000 residents, on average, than if they hadn't expanded.

More Recent Headlines

News in Brief

DNA reveals ancient Siberians who set the stage for the first Americans

Jun 07 2019 12:00 PM

A previously unknown population of Ice Age people who traveled across Beringia was discovered in Russia.

50 Years Ago

50 years ago, scientists wanted to build solar panels on the moon

Jun 07 2019 8:00 AM

In 1969, scientists proposed building solar panels on the moon to convert the sun's energy into electricity that can be used on Earth.

News in Brief

Physicists have finally figured out how pentaquarks are built

Jun 07 2019 6:00 AM

The particles are made of up two smaller particles, stuck together like atoms in a molecule.

News

In a first, magnetic fields have been spotted between two galaxy clusters

Jun 06 2019 2:00 PM

The discovery of magnetic fields in the gaseous filament between two galaxy clusters suggests that some large cosmic structures are magnetized.

News in Brief

Almost all healthy people harbor patches of mutated cells

Jun 06 2019 2:00 PM

Even healthy tissues can build up mutations, some of which have been tied to cancer.

News

Worms lure two new species of hopping rats out of obscurity

Jun 06 2019 10:00 AM

In the Philippines, scientists have identified two new species of shrew-rat, an animal whose limited habitat plays host to remarkable biodiversity.

News in Brief

Tiny plastic debris is accumulating far beneath the ocean surface

Jun 06 2019 9:00 AM

Floating trash patches scratch only the surface of the ocean microplastic pollution problem.

News

Limiting global warming to 1.5 degrees C could prevent thousands of deaths in the U.S.

Jun 05 2019 2:00 PM

A study projecting heat-related mortality in 15 U.S. cities illustrates urban risk from global warming.

News

Soil eroded by glaciers may have kick-started plate tectonics

Jun 05 2019 1:36 PM

How plate tectonics got going is a mystery. Now scientists say they've found a key part of the story: massive piles of sediment dumped in the ocean.

News

The accretion disk around our galaxy's black hole has been spotted at last

Jun 05 2019 1:02 PM

The Milky Way's central black hole has a disk of gas and dust orbiting it, astronomers can finally say with confidence.

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