Chemistry
Coffee beans pooped out by civets really are tastier. Here’s why
Pricey civet coffee gets its cred from its journey through the mammal’s gut, which changes the content of fat, protein, fatty acids — and even caffeine.
Earth
We summarize the week's scientific breakthroughs every Thursday.
More Stories in Earth
- Materials Science
New wetsuit designs offer a layer of protection against shark bites
By weaving Kevlar or polyethylene nanofibers into standard neoprene in wetsuits, researchers found ways to limit injury during rare encounters with sharks.
- Climate
Coral collapse signals Earth’s first climate tipping point
The global die-off of coral reefs signals a critical shift in Earth’s climate system with global environmental consequences along with economic ones.
- Climate
Antarctic krill eject more food when it’s contaminated with plastic
Antarctic krill don’t just sequester carbon in their poop; they also make carbon-rich pellets out of leftovers. But microplastics may throw a wrench in the works.
- Agriculture
A grapevine bacteria may help douse wildfire-tainted wine’s ashy aftertaste
Grape plant bacteria might help mitigate smoke taint in wine by breaking down chemicals that evoke an ashy taste.
- Earth
Two of Greece’s most dangerous volcanoes share an underground link
Seismic and land deformation data show that Santorini and Kolumbo draw from the same magma source, complicating eruption forecasts.
- Earth
Recycled glass could help fend off coastal erosion
Sand made from recycled glass can be mixed with sediment to make a medium for plants to grow in. That can help with coastal restoration projects.
- Paleontology
Crystallized dino eggs provide a peek into the tumultuous Late Cretaceous
Definitively dating the age of a clutch of fossil dinosaur eggs at a famous site in China may let scientists link eggshell features to environmental shifts at the time.
- Animals
Just like humans, many animals get more aggressive in the heat
From salamanders to monkeys, many species get more violent at warmer temperatures — a trend that may shape their social structures as the world warms.
- Planetary Science
A Mars rock analysis tool proved its mettle on a chance find from Arizona
On Mars, the Perseverance rover found a spotted rock that could bear signs of ancient life. On Earth, a researcher used a lookalike for a dry run.
