Life
Sign up for our newsletter
We summarize the week's scientific breakthroughs every Thursday.
-
LifeDaytime bites for zombie ants
The living dead of the insect world show an unexplained sense of timing: a surge of strange activity in the a.m. followed by a final death grip at midday.
By Susan Milius -
ChemistryMelting icebergs fertilize ocean
Releasing extra iron into the water boosts carbon dioxide uptake by plankton.
By Janet Raloff -
LifeGenes & Cells
Why mosquitoes don’t get malaria, plus brain stem cells and hot cancer treatment in this week’s news.
By Science News -
LifeBody attacks lab-made stem cells
In mice, the immune system targets and destroys reprogrammed adult skin cells, raising questions about their medical potential.
-
LifeNew fungi the dark matter of mushrooms
Scientists see the first images of an ancient lineage of microbes that can’t be grown in the lab.
By Susan Milius -
LifeLife
How hummingbirds really work, the thermostat preferences of leeches, and cattle-sparing disease testing in this week’s news.
By Science News -
LifeAnimals quickly colonized freshwater
Fossilized worm burrows show that life had moved beyond the oceans by 530 million years ago.
-
LifeFungus strikes but doesn’t kill European bats
Organism that is devastating North American populations might have coevolved with hosts overseas.
By Janet Raloff -
Health & MedicineGoing Under
While every anesthetic drug has its own effect, scientists know little about how the various versions work on the brain to transport patients from normal waking awareness to dreamless nothingness.
By Susan Gaidos -
ChemistrySpray of zinc marks fertilization
Embryonic development begins with an outpouring of the metal, illustrating chemistry's importance in orchestrating biological processes.
-
EarthWarming dents corn and wheat yields
Rising temperatures have decreased global grain production and may be partly responsible for food price increases.
-
LifeGiant ants once roamed Wyoming
The first complete fossil found in North America suggests warm spells in the far north allowed big insects to spread.
By Susan Milius