News
- Humans
Evolving an arch across the foot’s width helped hominids walk upright
The arch across the foot evolved at least 3.4 million years ago, possibly before the lengthwise arch. Both arches help humans to walk and run.
- Climate
Ordering from a local store can curb online shopping’s CO₂ emissions
Online shopping isn’t necessarily better for the environment than going to the store in person, a new study finds.
- Health & Medicine
Coronavirus’ spread in the U.S. may be a question of when, not if
The virus that causes COVID-19 is likely to gain a foothold in U.S. communities, says the US Centers for Disease Control and Prevention.
- Health & Medicine
We may be on the brink of a coronavirus pandemic. Here’s what that means
The coronavirus behind COVID-19 has not yet reached pandemic status, according the WHO, but we could be close.
- Archaeology
South Asian toolmaking withstood the biggest volcanic blast in 2 million years
Toolmakers continued to strike sharp-edged flakes as usual after a volcano’s colossal eruption around 74,000 years ago on what’s now Sumatra Island.
- Space
NASA icon Katherine Johnson has died at the age of 101
The “Hidden Figure” captured the public’s admiration after the story of her career was publicized in a 2016 book and film.
- Space
What NASA’s InSight lander has learned about Mars’ magnetism and quakes
In its first 10 months, the InSight lander detected Marsquakes and an unexpectedly strong magnetic field at its landing site on the Red Planet.
- Physics
This fundamental constant of nature remains the same even near a black hole
A number that sets the strength of electromagnetic interactions isn’t altered by the extreme gravity around the Milky Way’s supermassive black hole.
- Health & Medicine
To tackle the new coronavirus, scientists are accelerating the vaccine process
Scientists are turning to nontraditional approaches to create vaccines and therapeutics that target the novel coronavirus.
- Health & Medicine
U.S. drug deaths dipped in 2018, but cocaine and meth overdoses rose
In 2018, the rates of drug overdose deaths for methamphetamine and cocaine surpassed that of prescription opioids.
- Climate
Economic costs of rising seas will be steeper than we thought, unless we prepare
A study estimates 4 percent in annual global GDP losses by 2100 due to sea level rise, unless people curb emissions and prepare for flood risks.
- Humans
The earliest known hominid interbreeding occurred 700,000 years ago
The migration of Neandertal-Denisovan ancestors to Eurasia some 700,000 years ago heralded hookups with a resident hominid population.
