News
- Space
Paradoxically, white dwarf stars shrink as they gain mass
Observations of thousands of white dwarf stars have confirmed a decades-old theory about the relationship between their masses and sizes.
- Health & Medicine
Here’s what we know about Russia’s unverified coronavirus vaccine
Despite incomplete testing, Sputnik V may be the first COVID-19 vaccine given to the general public, rolling out initially to teachers and doctors.
- Health & Medicine
How two coronavirus drugs for cats might help humans fight COVID-19
Scientists are exploring if drugs for a disease caused by a coronavirus that infects only cats might help also people infected with the coronavirus.
- Cosmology
Scientists can’t agree on how clumpy the universe is
A measurement of 21 million galaxies finds a level of clumpiness that disagrees with estimates based on the oldest light in the universe.
- Neuroscience
New guidance on brain death could ease debate over when life ends
Brain death can be a tricky concept. Clarity from an international group of doctors may help identify when the brain has stopped working for good.
- Oceans
Species may swim thousands of kilometers to escape ocean heat waves
A new analysis of ocean heat waves shows latitude matters when it comes to how far fish and other sea species must go to find cooler waters.
- Earth
Predictions for the 2020 Atlantic hurricane season just got worse
Wind patterns and abnormally warm seawater are conspiring to create especially hurricane-friendly conditions in the Atlantic.
- Physics
A new experiment hints at how hot water can freeze faster than cold
A study of tiny glass beads suggests that the Mpemba effect is real.
- Climate
Emissions dropped during the COVID-19 pandemic. The climate impact won’t last
New estimates suggest coronavirus shutdowns cut global carbon dioxide emissions from fossil fuels by nearly 30 percent, on average.
- Health & Medicine
Rogue immune system reactions hint at an early treatment for COVID-19
A comprehensive look at the immune system shows multiple ways it misfires in COVID-19. Treating with interferon early might prevent trouble later.
- Planetary Science
Jupiter’s moons could keep each other warm by raising tidal waves
Along with gravity from the enormous planet, tidal forces between Jupiter’s moons could generate a surprising amount of heat.
- Space
‘Exotic’ lightning crackles across Jupiter’s cloud tops
Newly spotted lightning, which could form thanks to ammonia antifreeze, is weaker but more frequent than any flashes seen on Jupiter before.
