Earth

‘Tree Story’ explores what tree rings can tell us about the past

Once you look at trees through the eyes of a dendrochronologist, you...

Climate change made a southwestern U.S. drought one of the worst in 1,200 years

The drought in southwestern North America that lasted from 2000 to 2018...

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...

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DNA from a 5,200-year-old Irish tomb hints at ancient royal incest

A man buried in a huge, roughly 5200-year-old Irish stone tomb was the product of incest, a new study finds.

An ancient magma ocean may have once driven Earth’s magnetic field

Billions of years ago, Earth’s magnetic field may have gotten a jump-start from a turbulent magma ocean swirling around the planet’s core.

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...

Here’s what we know about Russia’s unverified coronavirus vaccine

Russia has launched a new Sputnik — this time, a vaccine to combat the coronavirus. Russian President Vladimir Putin...

5 Ways to Evaluate the Quality of an Academic Conference

Are you thinking of joining an academic conference in your field of studies? That’s an excellent idea. Participating in relevant events can help you...

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Brewing beer may be an older craft than we realized in some places

Grain cell changes from malting help identify which ancient populations crafted local brews Microscopic signatures of malting could help...

Are researchers asking the right questions to prevent mass shootings?

Two decades ago, two students opened fire at Colorado’s Columbine High School, killing 12 of their classmates and a teacher before turning...

Abortion opponents protest COVID-19 vaccines’ use of fetal cells

Senior Catholic leaders in the United States and Canada, along with other antiabortion groups, are raising ethical objections to promising COVID-19 vaccine...

Drug recently shown to reduce coronavirus death risk could run out, experts warn

This week’s report that dexamethasone, a commonly used corticosteroid, reduces death rates of COVID-19 by up to one-third was greeted with enthusiasm...

The closest black hole to Earth may have been spotted 1,000 light-years away

The closest black hole to the solar system ever spotted may be just 1,000 light-years away. This newfound dark neighbor is at...