News
- Physics
Fast Findings on Fluid Frenzy: Taking turbulence models to a new level
A new way to simulate turbulence by including some of the microscopic, molecular properties of fluids is influencing automobile design and may soon affect many other fields.
- Earth
Extracting Estrogens: Modern treatment plants strip hormone from sewage
New research helps explain why state-of-the-art sewage treatment facilities are more effective than conventional plants at removing certain sex hormones from sludge.
- Astronomy
Repulsive Astronomy: Strengthening the case for dark energy
Astronomers have found new evidence that a mysterious substance, dubbed dark energy, is ripping the cosmos apart, causing the universe to expand at an ever-faster rate.
- Animals
Why do two-sex geckos triumph?
Just the smell of an invasive species of gecko suppresses egg laying and subdues aggression in a resident.
- Animals
Maybe what Polly wants is a new toy
Changing the toys in a parrot's cage may ease the bird's tendency to fear new things.
- Animals
Some female birds prefer losers
When a female Japanese quail watches two males clash, she tends to prefer the loser.
- Animals
The secret appetite of cleaner wrasses
The little reef fish that nibble parasites off bigger fish that stop by for service actually prefer to nibble the customers.
- Health & Medicine
Anthrax toxin curbs immune cells
A toxin produced by the anthrax bacterium suppresses cells that launch the body's immune response.
- Physics
Antiglare eye black is better than tape
Black grease that athletes smear under their eyes to control the glare of the sun really helps them discern contrast; what's more, it works better than black tape, a newer antiglare aid.
- Materials Science
Miniature Motor: Nanotubes central to new rotating device
Researchers have used miniature, nested cylinders, called multiwalled carbon nanotubes, to make a motor only 300 nanometers long.
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Beyond Clots: Platelets in blood may guide immune response
Platelets, best known for their ability to create blood clots in wounds, may also have a role in the immune system.
- Astronomy
Taking the Crab’s pulse
Simultaneous recordings of a pulsar's radio emissions and its visible beam shed new light on the seemingly chaotic variations in the intensities of those emissions.
