The dark matter mystery deepens with the demise of a reported detection
First of two parts In mystery stories, the chief suspect almost always gets exonerated before the end of the book. Typically because a key...
SCIENTIFIC NEWS
Dim lighting may raise the risk of a West Nile virus exposure
Don’t dim the lights. A survey using more than 6,000 chickens across Florida shows that low levels of light pollution may increase the risk...
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...
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...
A new treatment could restore some mobility in people paralyzed by strokes 
What has Perseverance found in two years on Mars? 
This robot automatically tucks its limbs to squeeze through spaces 
Greta Thunberg’s new book urges the world to take climate action now