Chemistry
- Chemistry
19th century painters may have primed their canvases with beer-brewing leftovers
Several paintings from the Danish Golden Age contain remnants of brewer’s yeast, barley and other grains commonly used to brew beer.
- Life
Microwaving an insecticide restores its mosquito-killing power
Heated deltamethrin kills mosquitoes resistant to its usual form. Scientists are working to add the improved insecticide into bed nets.
- Health & Medicine
Scientists may have found an antidote for death cap mushrooms
A dye countered the effects of a mushroom toxin in human cells and mice. If the antidote does the same in people, it has potential to save lives.
- Animals
The Sonoran Desert toad can alter your mind — it’s not the only animal
Their psychedelic and other potentially mind-bending compounds didn't evolve to give people a trip.
- Life
Ancient giant eruptions may have seeded nitrogen needed for life
A new study bolsters the idea that on the young Earth volcanic lightning may have provided some materials that made it possible for life to emerge.
- Genetics
What was Rosalind Franklin’s true role in the discovery of DNA’s double helix?
Two researchers say that Rosalind Franklin knowingly collaborated with James Watson and Francis Crick to discover the molecular structure of DNA.
- Chemistry
Here’s why some Renaissance artists egged their oil paintings
Some Renaissance artists created eggs-quisite paintings by adding yolks to oil paints, which may have helped add texture and prevent yellowing.
- Space
What has Perseverance found in two years on Mars?
NASA's Perseverance rover has turned up volcanic rocks, signs of flowing water and some of the materials necessary for life.
- Physics
Water is weird. A new type of ice could help us understand why
A newfound type of amorphous ice with a density close to liquid water could help scientists make sense of water’s quirks.
- Archaeology
Chemical residue reveals ancient Egyptians’ mummy-making mixtures
Chemical clues in embalming vessels reveal previously unknown ingredients used to prepare bodies for mummification and their far-flung origins.
- Environment
Recycling rare earth elements is hard. Science is trying to make it easier
As demand grows, scientists are inventing new — and greener — ways to recycle rare earth elements.
- Environment
Rare earth elements could be pulled from coal waste
The scheme would provide valuable rare earth metals and help clean up coal mining’s dirty legacy.
