Uncategorized
- 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.
-
18893
I thought your article was somewhat misleading. It referred to dark energy as a “substance,” which it’s probably not, that’s “ripping the cosmos apart,” although this phrase implies far more violence than has been attributed to dark energy. And you described the findings as “wrenching” when, in fact, they all correlate with and confirm the […]
- 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.
-
Old Worms, New Aging Genes
The genes and hormonal signals that regulate life span in worms may do the same in people.
- Earth
Air Sickness
Studies have begun showing subtle but substantial harmful effects in outwardly healthy people who regularly breathe hazy air.
-
19333
The serious harm caused by microscopic dust really made me wonder about diesel. You noted that the submicron-scale spheres in the lungs of a nonsmoking resident of Mexico City appeared to be diesel-exhaust particles. While Europeans worry about what will happen in 100 years from global warming, could they be killing themselves now with their […]
