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Sifter

Our favorite stories from around the web

Disk galaxies rotate once every billion years, no matter their size

Mar. 15, 2018
Male brown widow spiders fancy older females—even though they’re likely to get eaten

Mar. 15, 2018
How to blow up an asteroid with a nuclear bomb

Mar. 14, 2018
These are the best guard dogs, according to science

Mar. 13, 2018
Krill can break down microplastics—but that may not be a good thing

Mar. 12, 2018
Sickle cell anemia traced back to one baby born 7300 years ago

Mar. 9, 2018
Bones on remote Pacific island were likely Amelia Earhart’s

Mar. 9, 2018
Could IVF save the world’s last northern white rhinos from extinction?

Mar. 8, 2018
Immune cells are gobbling up your tattoos, and yet still keeping them in place

Mar. 8, 2018
Gun violence studies show few causal relationships

Mar. 2, 2018
Satellites discover 1.5 million more penguins in Antarctica

Mar. 2, 2018
Californian ravens are a fusion of two different species

Mar. 2, 2018
Scientists haven’t seen a single baby right whale calf this season

Mar. 1, 2018
Warming seas may force king penguins to find a new home by 2100

Feb. 27, 2018
Ocean acidification is causing coral reefs to dissolve

Feb. 23, 2018
Stonehenge builders were replaced by wave of European migrants

Feb. 22, 2018
Drones best humans at birdwatching

Feb. 14, 2018
The origin of oranges (and lemons) is high in the Himalayas

Feb. 9, 2018
Millions of tons of trapped mercury could be released as world warms

Feb. 6, 2018
Scientists create a new form of matter—superionic water ice

Feb. 5, 2018
Dinosaur, mammal tracks discovered in NASA’s backyard

Feb. 1, 2018
Scientists urge United Kingdom to fortify flour with folic acid to prevent birth defects

Jan. 31, 2018
New species of ‘titanosaur’ unearthed in Egypt

Jan. 29, 2018
The universal language of lullabies and dance songs

Jan. 29, 2018