Life
- Animals
Pollen can become bee ‘junk food’ as CO2 rises
Increasing levels of the greenhouse gas are changing diminishing the food value of pollen, bees’ only source of protein.
By Susan Milius - Microbes
This microbe thinks plastic is dinner
The bacterium Ideonella sakaiensis chows down on one type of polluting plastics. That means it could become helpful in cleaning up environmental waste.
- Health & Medicine
Newly discovered microbe keeps teeth healthy
A newfound bacterium halts the tooth erosion that leads to cavities. This germ or one like it might one day be added to toothpaste or mouthwash.
- Chemistry
Gotcha! New test stalks diseases early
Chemists screen blood for disease markers by adapting a common DNA test. The test can find disease earlier, when it also may be easier to treat.
- Fossils
How to tell if a T. rex is expecting
A chemical test of tyrannosaur bone can determine whether the dino was pregnant — and therefore a female.
By Meghan Rosen - Genetics
Pacific islanders got a double dose of Stone Age DNA
Unlike other people, certain Pacific Islanders inherited DNA from two ancient human ‘cousins.’
By Bruce Bower - Health & Medicine
Cool jobs: Brainy ways to battle obesity
Scientists from different fields are tapping into connections between food and the brain to help people fight obesity and overcome the urge to overeat.
- Genetics
Genes: How few needed for life?
Scientists rebuilt a microbe using its old genes. But not all of them. They used as few building-blocks as they could get away with and still have the life-form survive.
- Life
Fattier yeast live long and prosper
Scientists were hoping to build better biofuels. Instead they discovered that fatter yeast cells live longer than lean ones.
- Microbes
Microbes mine treasure from waste
Like miniature factories, bioreactors house microbes recruited to chew through wastes to clean dirty water, make chemicals or generate electricity.
- Animals
Spiders eat insects — and sometimes veggies
Plant-eating spiders have been found on every continent except Antarctica, a new study notes.
- Plants
Less brilliant flowers still keep bees coming back
Bumblebees prefer petals that aren’t overly shimmery. This suggests plants are attuned to what insects see.