Uncategorized
- Astronomy
Spaceships could use blinking dead stars to chart their way
Timing signals from five pulsars allowed scientists to pinpoint an experiment’s place in space.
- Astronomy
Trio of dead stars upholds a key part of Einstein’s theory of gravity
A cosmic test fails to topple the strong equivalence principle.
- Astronomy
Pollution is endangering the future of astronomy
Astronomers discuss multiple threats from pollution that will make it harder to observe the night sky.
- Animals
18 new species of pelican spiders discovered
A researcher used old and new specimens to discover 18 species of pelican spiders from Madagascar.
- Climate
Rising CO2 in lakes could keep water fleas from raising their spiky defenses
Rising CO2 in freshwaters may change how predators and prey interact in lakes.
- Health & Medicine
Not all strep infections are alike and it may have nothing to do with you
Add-on genes in some bacteria shape the way strains interact with the immune system.
- Planetary Science
Shallow ice sheets discovered on Mars could aid future astronauts
Exposed water ice on steep Martian slopes suggest there’s a lot within a meter or two of the surface.
- Planetary Science
Hubble telescope ramps up search for Europa’s watery plumes
Astronomers are redoubling their efforts to confirm that the icy moon Europa spews water from its south pole.
- Neuroscience
Protein helps old blood age the brains of young mice
Increased levels of one protein in old blood may contribute to its aging effects on the brain, a mouse study suggests.
- Microbes
A new gel could help in the fight against deadly, drug-resistant superbugs
An antibacterial ointment breaks down the defenses of drug-resistant microbes such as MRSA in lab tests.
- Astronomy
Fast radio bursts may be from a neutron star orbiting a black hole
A repeating fast radio burst has twisted waves, suggesting its home has an unusually strong magnetic field.
- Life
Readers wrangle with definition of ‘species’
Readers asked about the definition of "species," a new atomic clock and how a neutron star collision produces heavy elements.
