Uncategorized
- Humans
Transport emissions sizable, and rising
Almost one-sixth of the carbon dioxide produced by human activity since the beginning of the Industrial Revolution resulted from the transport of goods and people—an emissions fraction that's increasing by the year.
- Humans
Judging Science
Scientists and legal scholars argue that studies conducted with litigation in mind are not necessarily more biased than research done for other purposes.
- Health & Medicine
Blind Bet
Although the chances of success are far from certain, many desperate horse owners are gambling on stem cell therapy for their injured equine friends.
- Health & Medicine
The State of Our Nutrition
With the new year, people start thinking about dieting and developing better overall health habits. Want to know which regions of the nation started out the year as the most and least healthy—and by what measures? Turn to new maps prepared by the Agriculture Department and click on the state(s) of interest. Agency scientists have […]
- Humans
From the January 8, 1938, issue
Social scientist named AAAS president, rarest of the rare found high in the air, and an unusual joint for a skull.
- Physics
Bathtub Optics: Bending light also shifts it sideways
When light bends at an interface, it also shifts depending on its polarization. With animation.
-
Positive Signal: Lone protons carry messages between cells
In roundworms, protons carry signals from cells in the intestine to muscle cells, raising the possibility that protons might act as neurotransmitters in mammal brains.
-
Seeing Again: Blind fish parents have fry that see
Cross two strains of blind cavefish that have lived in the dark for a million years, and some of their offspring will be able to see.
- Astronomy
Heavy Find: Weighty neutron stars may rule out exotic core
Neutron stars may be the weirdest stars in the universe, but they don't seem to be very strange, a weighty new report finds.
-
19915
This article says that the companion star of the pulsar PSR B1516+02B must be “tiny” because it cannot be seen. Isn’t it possible that the companion is made of dark matter? Is there a “wobble” test or other way to discern between a companion that is truly tiny (low mass) and one that is perhaps […]
-
Mind Control: Hypnosis offers amnesia clues
Results of a new study using hypnosis may shed light on the process of memory retrieval and the potential for one part of the brain to block it.
- Earth
Hued Afterglow: Fingerprinting diamonds via phosphorescence
The eerie phosphorescence displayed by a rare form of blue diamond can be used as an easy, cheap, and nondestructive way to identify individual gemstones and to distinguish natural blue diamonds from synthetic ones.
