Embryo Models Built Without Egg or Sperm
Scientists grew embryo-like structures from stem cells.
Scientists grew embryo-like structures from stem cells.
A stent-like device records brain signals from inside a blood vessel.
Companies advanced implantable brain-computer interfaces this decade.
Electrolyzers split water using renewable electricity.
Sodium-ion batteries use abundant, low-cost materials.
Solid electrolytes promise safer, denser batteries.
New satellites pinpoint methane emissions from space.
Direct air capture plants pull carbon dioxide from the atmosphere.
Attribution science quantifies climate change's role in disasters.
The IPCC's 2021 report called warming unequivocal and human-caused.