Science

Model human embryo, created from stem cells, survives past two weeks
A model human embryo capable of developing past day 14 could revolutionize our understanding of human development.
How years of fighting every wildfire helped fuel the Western megafires of today
The current approach to fire management poses unnecessarily high stakes for forests. Here’s why fighting every fire does more harm than good.
Record-breaking amount of Earth’s mantle drilled out of ocean floor
Scientists aboard the JOIDES Resolution have retrieved “a staggering” amount of mantle rock from below the ocean floor.
Is death by pee our next pesticide?
Volunteers in isolation experiment leave cave after 40 days
Reversible gene editing is on the horizon
Cultured meat is now available for home delivery
Scientists may have found the secret to invisibility
This new crystal, produced with gunpowder, is stronger than diamond
Bacteria nanomachines fire smart missiles that could replace antibiotics
Muon particle’s “wobble” appears to break the laws of physics
A single gene turns on humans' rapid brain growth