Uncategorized
- Astronomy
Planet-making disk has a banana split
Two banana-shaped arcs of gas and dust face each other within a newly discovered planet-forming disk that surrounds a young, nearby star.
- Health & Medicine
Measuring Stick: Spinal tap test tracks Alzheimer’s compound
A new test is the first to measure production and clearance of amyloid-beta in the cerebrospinal fluid of people, enabling scientists to track this Alzheimer's disease peptide.
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Getting Back at Celiac: Enzyme treatment might stem wheat intolerance
A combination of two enzymes could eventually treat celiac disease, an inherited digestive disorder.
- Tech
Hot Prospect: Simple burner keeps pollution counts down
A new type of combustion chamber reduces pollution with less complexity and a safer, more reliable design.
- Paleontology
Sight for ‘Saur Eyes: T. rex vision was among nature’s best
A study of dinosaur eyes finds that Tyrannosaurus rex had very sophisticated vision that may have helped its predatory abilities.
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This article makes two questionable assertions. First, Tyrannosaurus rex might well have had excellent binocular vision and been a predator, but still have had a handicap for the detection of motion as my cats do. Second, when Thomas R. Holtz Jr. states that binocular vision “almost certainly was a predatory adaptation,” that puts us binocular […]
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Gay Males’ Sibling Link: Men’s homosexuality tied to having older brothers
Birth order may steer some men toward homosexuality in a process that perhaps begins before birth.
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If having biological older brothers correlates to homosexuality, as claimed in your article, then we would expect that in the past, when families were larger, there would be a greater proportion of homosexuals. Is there any evidence for this? Rick NorwoodMountain Home, Tenn. The article concludes with psychologist Daryl Bem inferring that male homosexuals are […]
- Tech
Blinding spies’ digital eyes
To prevent unauthorized picture taking, an automated antispy system spots digital cameras and zaps them with confounding flashes of light.
- Materials Science
Seeing the light
Researchers have developed a smart petri dish that signals cell death with intense light.
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Mammalian ear cells can regenerate
The cells responsible for hearing in mammals may be capable of regeneration, just as those of birds and other vertebrates are.
- Tech
Humanlike touch from chemical film
A nanoparticle-laden, pressure-detecting membrane feels textures with about the same sensitivity as human skin.
