A year ago, we asked 6 questions about COVID-19. Here’s how the answers evolved
One year ago, Science News published the first of our Coronavirus Update newsletters. The goal was to provide readers with a quick glimpse into...
SCIENTIFIC NEWS
A tiny gold ball is the smallest object to have its gravity measured
Even teeny objects obey the law of gravity. A gold ball just 2 millimeters wide, with a mass of about 90 milligrams, is now...
An experimental toothpaste aims to treat peanut allergy
Someday it may be possible for people to tackle their food allergies simply by brushing their teeth. A New York City–based company has launched...
The world wasted nearly 1 billion metric tons of food in 2019
The world wasted about 931 million metric tons of food in 2019 — an average of 121 kilograms per person. That’s about 17 percent...
Finds in a Spanish cave inspire an artistic take on warm-weather Neandertals
Here’s a scene guaranteed to melt the popular stereotype of Ice Age Neandertals as spear-wielding mammoth hunters confined to Eurasia’s frigid inner core. New...
A year after Australia’s wildfires, extinction threatens hundreds of species
When Isabel Hyman heads out in coming weeks to the wilds of northern New South Wales, she’s worried about what she won’t find. Fifteen...
People fully vaccinated against COVID-19 can socialize without masks, CDC says
As the pace of coronavirus vaccinations picks up, normal life is looking tantalizingly in reach. Nearly a year after the World Health Organization declared...
A sea slug’s detached head can crawl around and grow a whole new body
Losing your body from the neck down can be just another one of life’s annoying, but temporary, setbacks — at least for two kinds...
Delve into the history of the fight for Earth’s endangered creatures
Beloved BeastsMichelle NijhuisW.W. Norton & Co., $27.95 On October 29, 1929, a date best remembered for the infamous Black Tuesday stock market crash, socialite...
A magnetic trap captures elusive ultracold plasma
In terms of difficulty, trapping a plasma is right up there with catching a cloud and pinning it down, or holding a moonbeam in...
Clean your plate – to reduce food loss and waste 
Funding cuts put 8.3 million refugees at risk of losing vital assistance 
Yemen escalation fuels fears of further cholera, measles spread 
DRC: Early access to care and oxygen decisive for Ebola patients’ survival – WHO