Uncategorized
- Space
SpaceX’s astronaut launch marks a milestone for commercial spaceflight
Two NASA astronauts aboard the privately built Crew Dragon capsule are the first to be sent into orbit from U.S. soil since 2011.
- Space
Half the universe’s ordinary matter was missing — and may have been found
Astronomers have used fast radio bursts as cosmic weigh stations to tease out where the universe’s “missing matter” resides.
- Health & Medicine
Infecting people with COVID-19 could speed vaccine trials. Is it worth it?
To accelerate vaccine development, some experts argue we should purposefully infect volunteers with the coronavirus. Others warn of the risks.
- Health & Medicine
Is the coronavirus mutating? Yes. But here’s why you don’t need to panic
Some studies claim there are new strains of the coronavirus, but lab experiments are needed to see if mutations are changing how it infects cells.
- Physics
A star shredded by a black hole may have spit out an extremely energetic neutrino
A star’s fatal encounter with a black hole might have produced a neutrino with oomph.
- Animals
New species of scaly, deep-sea worms named after Elvis have been found
A genetic analysis sheds new light on funky scale worms with glittery, scales reminiscent of sequins on the “The King’s” iconic jumpsuits.
- Neuroscience
How coronavirus stress may scramble our brains
The pandemic has made clear thinking a real struggle. But researchers say knowing how stress affects the brain can help people cope.
- Health & Medicine
Politics aside, hydroxychloroquine could (maybe) help fight COVID-19
Hydroxychloroquine may help prevent COVID-19, or it may not. Studies are under way to find out. Meanwhile, here’s what we know.
- Science & Society
Scientists sometimes conceal a lack of knowledge with vague words
Life, time, intelligence — plenty of terms used in science have imprecise definitions.
- Life
Pollen-deprived bumblebees may speed up plant blooming by biting leaves
In a pollen shortage, some bees nick holes in tomato leaves that accelerate flowering, and pollen production, by weeks.
By Susan Milius - Health & Medicine
There are two versions of the coronavirus. One’s not more dangerous than the other
Factors such as a person’s age and white blood cell counts matter more for disease severity when it comes to COVID-19, a study finds.
- Earth
Up to 220 million people globally may be at risk of arsenic-contaminated water
A new world map highlights possible hot spots of arsenic contamination in groundwater.