Uncategorized
- Climate
Cow poop emits climate-warming methane. Adding red algae may help
Adding a type of methane-inhibiting red algae directly to cow feces cut down methane emission from the poop by about 44 percent, researchers report.
- Math
How geometry solves architectural problems for bees and wasps
Adding five - and seven - sided cells in pairs during nest building helps the colonyfit together differently sized hexa gonal cells , a new study shows.
- Archaeology
The oldest known horseback riding saddle was found in a grave in China
The well-used saddle, dated to more than 2,400 years ago, displays skilled leather- and needlework. Its placement suggests its owner was on a final ride.
- Health & Medicine
Many sports supplements have no trace of their key ingredients
A chemical analysis of 57 supplements found that 40 percent had undetectable amounts of key ingredients. Only 11 percent had accurate amounts.
- Environment
The most intense sunlight on Earth can be found in the Atacama Desert
On the Chilean Altiplano plateau, every square meter of the ground receives, on average, more solar power than Mount Everest and occasionally almost as much as Venus.
- Animals
Some African birds follow nomadic ants to their next meal
Specialized interactions between birds and driver ants in Africa could help explain why the birds are especially sensitive to forest disturbances.
- Climate
Here’s how much climate change increases the odds of brutally hot summers
Climate change made 2023’s record-breaking heat waves in the United States, Mexico, China and southern Europe much more likely, new simulations show.
- Space
The James Webb telescope may have spotted stars powered by dark matter
Three objects in the distant universe bear signs of hypothesized “dark stars,” researchers claim, though others say more definitive data are needed.
- Humans
Human embryo replicas have gotten more complex. Here’s what you need to know
Lab-engineered human embryo models created from stem cells provide a look at development beyond the first week. But they raise ethical questions.
- Archaeology
How an ancient solar flare illuminated the start of the Viking Age
Improved radiocarbon dating aided by a solar flare in the year 775 sheds light on the early days of Vikings and global trading in medieval times.
- Planetary Science
NASA’s DART mission lofted a swarm of boulders into space
Hubble telescope images of the asteroid Dimorphos reveal a halo of 37 dim, newfound objects — most likely boulders shaken loose from the surface.
- Health & Medicine
With a new body mapping technique, mouse innards glow with exquisite detail
Removing cholesterol from mouse bodies lets fluorescently labeled proteins infiltrate every tissue, helping researchers to map entire body systems.
