Uncategorized
- 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.
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- 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.
- Anthropology
Better playground design could help kids get more exercise
Playgrounds designed for imaginative play can make a difference in how much kids move
By Emily Anthes - 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.
- Physics
How understanding nature made the atomic bomb inevitable
On the anniversary of Hiroshima, here’s a look back at the chain reaction of basic discoveries that led to nuclear weapons.
- 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.