- August 23, 2025
Net zero needs AI — five actions to realize its promise
In 2024, the global average annual temperature exceeded 1.5 °C above pre-industrial levels for the first time. Greenhouse-gas emissions are rising,
How citizen science can help to solve the global freshwater crisis
We are living through a global freshwater crisis: in 2014, humanity used five times as much water as it did
Watch a human embryo implant itself — with brute force
A microscopic view of a nine-day-old human embryo shows a protein found in embryonic stem cells in green, developing tissue
Many planets might be born with orbits misaligned from the spin of their stars
RESEARCH BRIEFINGS 13 August 2025 An analysis of the geometry of young Sun-like stars with planet-forming disks, measured by ground-
Six questions to ask before jumping into a spreadsheet
Ask a bunch of scientists whether they use spreadsheets in their work and you’re bound to touch a nerve. Many
These genes can have the opposite effects depending on which parent they came from
The effect of a gene can vary greatly — and sometimes be the complete opposite — depending on whether it
Scientists can help stop a slide to nuclear war — don’t shut them out again
Visitors at the Hiroshima Peace Memorial Museum in Japan, which includes an artist’s impression of the bombed-out museum building.Credit: Yuichi
mRNA vaccines for HIV trigger strong immune response in people
HIV particles (red dots) enter cells using proteins that bind to the cell membrane.Credit: Steve Gschmeissner/Science Photo Library Two vaccine
Sleuths and scientific institutions are not rivals
You have full access to this article via your institution. By working together, research institutions and science sleuths can boost
Meet the early career scientists planning to leave the United States
The cuts to science under the Trump administration have sparked protests and will threaten the positions of many international early-career