Sign in
Sign in
Recover your password.
A password will be e-mailed to you.
Browsing Category
SCIENCE
Monkeylike Animals Once Lived in the Arctic, New Fossils Show
Ellesmere Island in the Canadian Arctic is a treeless, rocky and bitterly cold wilderness, with large parts covered by thick glaciers. But some 52 million years ago it had dense forests and a steamier climate more like present-day…
Making the Entire U.S. Car Fleet Electric Could Cause Lithium Shortages
The transition to electric vehicles could lead to lithium shortages unless the United States and other countries overhaul their transportation systems and move away from private cars as the primary means of travel.
Simply converting the…
Should You Really Worry about Solar Flares?
On January 6 a powerful solar flare erupted from the surface of the sun. It was the first X-class flare—the strongest type on the flare intensity scale—in around two months. Two further X-class flares followed within the next few days,…
This Overlooked Scientist Helped Save Washington, D.C.’s Cherry Trees
In 1909 the mayor of Tokyo sent a gift of 2,000 prized cherry trees to Washington, D.C. But the iconic blossoms that are now enjoyed each spring along the city’s Tidal Basin are not from those trees. That’s because Flora Patterson, who…
What Time Is It on the Moon?
The coming decade will see a resurgence in lunar exploration — including dozens of missions and plans to establish permanent bases on the Moon. The endeavours pose myriad challenges. Among them is a subtle, but fundamental, question that…
How the U.S. Lost Years of Life
Many countries saw drops in life expectancy during the pandemic, but some populations have suffered more than others Credit: Amanda Montañez; Sources: “Life Expectancy Changes since COVID-19,” by Jonas Schöley et al., in Nature Human…
Did Plants Domesticate Humans? Watch ‘The First Entanglement’
Did humans domesticate plants, or did they domesticate us?
While this provocative question might not be the way we learned about the history of agriculture in high school, it animates the current study of archaeology. What’s at stake is…
How Antidepressants Help Bacteria Resist Antibiotics
The emergence of disease-causing bacteria that are resistant to antibiotics is often attributed to the overuse of antibiotics in people and livestock. But researchers have homed in on another potential driver of resistance:…
A Neurologist Answers Questions Patients Might Have about the New Alzheimer’s Drug Lecanemab
No drug with consistent statistical evidence from clinical trials had ever been found to slow the course of Alzheimer’s disease before the Food and Drug Administration gave its nod this month to lecanemab, which clears the brain of the…
How Plants' Plumbing Let Them Conquer the World
To protect from deadly drought and make it on land, plants developed complicated inner plumbing
Source link