News
-
LifeGut bacteria may change the way many drugs work in the body
A new survey of interactions between microbes and medications suggests that gut bacteria play a crucial role in how the body processes drugs.
-
Health & MedicineA fungus weaponized with a spider toxin can kill malaria mosquitoes
In controlled field experiments in Burkina Faso, a genetically engineered fungus reduced numbers of insecticide-resistant mosquitoes that can carry malaria.
-
ChemistryVaping the sweetener sucralose may produce toxic chemicals
Sucralose in e-liquids can break down, increasing toxic aldehydes in vapors and producing harmful organochlorines, including a potential carcinogen.
-
Planetary ScienceIcy volcanoes on Pluto may have spewed organic-rich water
Planetary scientists found ammonia-rich ice near cracks on Pluto, suggesting the dwarf planet had recent icy volcanoes.
-
PhysicsIn a first, scientists took the temperature of a sonic black hole
A lab-made black hole that traps sound, not light, emits radiation at a certain temperature, as Stephen Hawking first predicted.
-
Physics100 years ago, an eclipse proved Einstein right. Today, black holes do too — for now
In 1919, an eclipse affirmed Einstein’s famous general theory of relativity. Now scientists hope to use black holes to poke holes in that idea.
-
PhysicsA new optical atomic clock’s heart is as small as a coffee bean
Optical atomic clocks are extremely good at keeping time, and they’re on their way to becoming pocket watches.
-
LifeHow bacteria nearly killed by antibiotics can recover — and gain resistance
A pump protein can keep bacteria alive long enough for the microbes to develop antibiotic resistance.
-
AnimalsShy fish no bigger than a pinkie provide much of the food in coral reefs
More than half of the fish flesh that predators in coral reefs eat comes from tiny, hard-to-spot species.
By Susan Milius -
MathMathematicians report possible progress on proving the Riemann hypothesis
A new study advances one strategy in the quest to solve the notoriously difficult problem, which is still stumping researchers after 160 years.
-
Health & MedicineBeing bilingual is great. But it may not boost some brain functions
A large study of U.S. bilingual children didn’t turn up obvious benefits in abilities to ignore distractions or switch quickly between tasks.
-
PhysicsBig black holes can settle in the outskirts of small galaxies
Astronomers have found dozens of surprisingly massive black holes far from the centers of their host dwarf galaxies.