2,477 results
-
19701
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 […]
-
Consciousness in the Raw
Observations of children born without most of the brain's outer layer, or cortex, and evidence from animal studies suggest that a basic form of consciousness may arise from the brain stem alone.
- Animals
Why Play Dead?
Common wisdom dictates that playing dead discourages predators, but researchers are now thinking harder about how, or whether, that strategy really works.
-
Brain Gain
The brain constantly sprouts new neurons, a recently discovered phenomenon that neuroscientists and drugmakers are working to understand and harness.
- Humans
Letters from the September 9, 2006, issue of Science News
Brother bother If having biological older brothers correlates to homosexuality (“Gay Males’ Sibling Link: Men’s homosexuality tied to having older brothers,” SN: 7/1/06, p. 3), 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. […]
- Health & Medicine
On a dare, teen advances medical science
A 16-year-old daredevil inadvertently demonstrated the incubation period of a common roundworm after she swallowed an earthworm that harbored larvae of the parasite.
-
- Computing
Games Theory
Online games can not only entertain but also provide valuable data for researchers tackling computer-vision and other tough computational problems.
- Humans
From the June 6, 1936, issue
Young robins ready to solo, threats from space, and molecule models.
- Health & Medicine
Beyond Hearing: Cochlear implants work best when given early
Children born deaf who receive cochlear implants as toddlers show brain activity that's more normal than that of children getting the implants later in childhood.
- Earth
Dirty Little Secret
Recognition is growing that many communities have soils laced with asbestos, which has prodded several federal agencies to probe the hazards they might pose.
-
The Predator’s Gaze
A new wave of research is trying to untangle the origins and nature of psychopathy, a personality style characterized by a lack of conscience, empathy, or guilt that attracts intense interest from the legal system.
