Technology

Australia's Koalas Are ‘Sliding Towards Extinction’

The species is among 28 animals being assessed for potential upgrade of their threat status as their numbers plummet following sweeping...

How the Coronavirus Got to Donald Trump

Covid-19’s path through the president’s world is an epidemiological mystery. We know why it spread, but not if it spread via a single...

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Trump Tests Positive for Covid-19, Schools Navigate Reopening,...

Catch up on the most important updates from this week.

Trump Tests Positive, Schools Navigate Reopening, and More...

Catch up on the most important updates from this week.

Who Did Trump Infect? Tracing His Contacts Is a Big Task

The president, who tested positive for coronavirus on Thursday, has been at campaign rallies and fundraisers, potentially exposing...

Why Some Ecologists Worry About Rooftop Honey Bee Programs

Urban beekeeping has given some scientists pause. They wonder if these efforts are really helping to save the bees—especially native...

President Donald Trump Tests Positive for Covid-19

Some people get no symptoms or mild ones, and there are treatments for the severest cases. But the disease is risky for people who...

Your ‘Ethnicity Estimate’ Doesn’t Mean What You Think It...

DNA testing companies are rolling out algorithm updates, spotlighting the fickleness of ethnicity results, and perhaps reinforcing...

This Congressperson Wants to Rev Up Covid Testing

Mikie Sherrill’s new bill would tie federal reimbursement to testing result times—and reward labs for extra quick turnarounds.

How Much Power Does It Take to Do the Red Bull 400 Hill...

400 meters. A 37-degree incline. Turns out humans are capable of superhuman power outputs—if only for a short time.