Why do sea turtles, penguins and sharks sometimes just swim in circles or spirals?
Marine science has its own crop circle mysteries. Sea turtles, sharks, penguins and even whales sometimes just go circular, swimming around and around in...
SCIENTIFIC NEWS
Here’s what makes 4 promising COVID-19 vaccines unique — and potentially useful
Barely a year after the World Health Organization declared the coronavirus outbreak a pandemic, 11 vaccines worldwide have been granted emergency use authorization or...
AstraZeneca’s COVID-19 vaccine is 79 percent effective in a U.S. trial
The coronavirus vaccine developed by AstraZeneca and the University of Oxford was effective at preventing COVID-19 symptoms, a clinical trial of more than 30,000...
Carbon-ring molecules tied to life were found in space for the first time
Complex carbon-bearing molecules that could help explain how life got started have been identified in space for the first time. These molecules, called polycyclic...
New drugs that block a brain chemical are game changers for some migraine sufferers
Hayley Gudgin of Sammamish, Wash., got her first migraine in 1991 when she was a 19-year-old nursing student. “I was convinced I was having...
Can room-temperature superconductors work without extreme pressure?
For decades, scientists quested after a room-temperature superconductor. Now that they’ve finally found one, the hunt is on for an even better material. Until...
‘Oumuamua may be a chip knocked off an icy, Pluto-like exoplanet
Since its discovery, the interstellar object known as ‘Oumuamua has defied explanation. First spotted in 2017, it has been called an asteroid, a comet...
‘The Code Breaker’ tells the story of CRISPR pioneer Jennifer Doudna
The Code BreakerWalter IsaacsonSimon & Schuster, $35 With the slightest touch, the fernlike vine known as sleeping grass folds over on itself, like a...
AstraZeneca’s COVID-19 vaccine isn’t tied to blood clots, experts say
AstraZeneca’s COVID-19 vaccine is not associated with an increased risk of blood clots, the European Medicines Agency announced March 18. That’s the conclusion of...
An ancient shark’s weird fins helped it glide like a manta ray
Thirty million years before manta rays began gracefully gliding through ocean waters, a shark with fantastically elongated fins gave such underwater flight a go,...
‘One step away from famine’: Inside Afghanistan’s hunger crisis 
Bangladesh: UNICEF chief calls for an end to child marriage 
Rule breaking by just a few people can be contagious 
Yemen war continues to force families from homes amid hunger and disease