News
- Astronomy
Astronomers discover smallest galaxy ever
Astronomers have found the smallest galaxy yet recorded, about one-sixteenth the diameter of the Milky Way.
- Physics
Solving a 400-year-old supernova riddle
Astronomers have determined that Kepler's supernova, the last stellar explosion witnessed in our galaxy, belongs to the class known as type 1a.
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- Earth
Heating releases cookware chemicals
Nonstick coatings on fry pans and microwave-popcorn bags can, when heated, release traces of potentially toxic perfluorinated chemicals.
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Aging vets take stress disorder to heart
Veterans grappling for decades with post-traumatic stress disorder have a greater risk of developing and dying from heart disease than do their peers who don't suffer from the stress ailment.
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Trichomoniasis-causing organism is sequenced
Scientists have taken a first read of the genetic sequence of the organism responsible for a sexually transmitted infection called trichomoniasis.
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Starved for Assistance: Coercion finds a place in the treatment of two eating disorders
Attempts by family, friends, and others to coerce people with serious eating disorders into getting mental-health care provide a valuable jump-start to treatment.
- Paleontology
Going Under Down Under: Early people at fault in Australian extinctions
A lengthy, newly compiled fossil record of Australian mammals bolsters the notion that humanity's arrival on the island continent led to the extinction of many large creatures there.
- Ecosystems
Saving Whales the Easy Way? Less lobstering could mean fewer deaths
A provocative proposal suggests that the U.S. lobster fleet in the Gulf of Maine could reduce the number of traps, maintain its profits, and improve life for endangered right whales.
- Health & Medicine
Coming to a Bad End: Lost chromosome tips linked to heart problems
Men with short telomeres, the ends of chromosomes, are twice as likely to develop heart disease as are men with longer telomeres.
- Chemistry
Fish Killer Caught? Ephemeral Pfiesteria compound surfaces
Scientists claim to have found an elusive algal toxin implicated in massive fish kills along the Mid-Atlantic coast in the 1990s.
- Astronomy
A Cosmic Pas de Trois: Triple-quasar system may signal galaxy mergers
Astronomers have discovered the first example of a trio of quasars, the brilliant beacons of light that seem to be fueled by supermassive black holes at the centers of galaxies.
