The seals’ ability to detect the amount of oxygen in their blood may help them make diving decisions and avoid drowning.
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Venus passes between the Earth and sun this weekend—but don’t try to look for it
This image provided by NASA/JPL-Caltech shows Venus taken from NASA’s Mariner 10 spacecraft. Credit: NASA/JPL-Caltech via AP Venus will pass between the Earth and sun on Saturday during what’s called…
Food systems are the missing ingredient from the COP30 menu
Juliana Arciniegas is a former negotiator of climate and environmental treaties from Colombia. She currently leads the Nature agenda at the Latin American Think-Tank Transforma. With Brazil – a global…
5 years on, true counts of COVID-19 deaths remain elusive − and research is hobbled by lack of data
In the early days of the COVID-19 pandemic, researchers struggled to grasp the rate of the virus’s spread and the number of related deaths. While hospitals tracked cases and deaths…
Insomnia can lead to heart issues − a psychologist recommends changes that can improve sleep
About 10% of Americans say they have chronic insomnia, and millions of others report poor sleep quality. Ongoing research has found that bad sleep could lead to numerous health problems,…
Collaboration across hospital system optimizes antibiotic use to improve patient care
Credit: CC0 Public Domain Houston Methodist nurses are using an adapted screening tool at the bedside to assess whether patients have true penicillin allergies, thus enabling their care teams to…
Legged robots skateboard successfully with reinforcement learning framework
Credit: Liu et al. Legged robots, which are often inspired by animals and insects, could help humans to complete various real-world tasks, for instance delivering parcels or monitoring specific environments.…
Dark skies above world’s best astronomy sites could be ruined by new energy project
A green energy plant expected to be built in Chile’s Atacama Desert could increase night-time sky brightness at one of the world’s most valuable astronomical locations by up to 35%,…
Stinky penguin poop strikes fear into the hearts of Antarctic krill
The foul stench of penguin poop sets Antarctic krill on edge. In lab experiments, the mere scent of penguin droppings — or guano — sent krill scrambling for escape, researchers…
Mediterranean neutrino observatory sets new limits on quantum gravity
The visualization of a simulated event in the KM3NeT/ORCA detector. Credit: CC BY-NC 4.0 Credits KM3NeT Quantum gravity is the missing link between general relativity and quantum mechanics, the yet-to-be-discovered…
