Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
From the September 29, 1934, issue
Structural details of chromosomes, America's Cup yacht technology, and an improved street car.
- Humans
Skeptical Brains
At the Web site of the McDonnell Foundation, a private funder of scientific research, peruse examples of recent media misinterpretations of brain studies—as chosen by foundation staffers—at a page titled “BAD Neuro-Journalism.” Go to: http://www.jsmf.org/about/s/badneuro/index.htm
- Health & Medicine
Coffee’s curious heart effects
Very high or low daily consumption of coffee appears to pose far more of a heart risk than drinking moderately.
- Anthropology
Ancient head case
A 1.8-million-year-old Homo erectus skullcap came from a 1-year-old child whose brain grew at a rate more like that of chimpanzees than of people.
- Archaeology
Original Microbrews
Pots, vats, and other artifacts unearthed on three continents are giving archaeologists new clues about ancient cultures' beer-brewing practices.
- Health & Medicine
Omega-3’s May Hit Food Labels
The Food and Drug Administration has announced that it will allow manufacturers to make certain health claims about omega-3 fatty acids, which are found in fish and other foods.
- Humans
From the September 22, 1934, issue
Giant ocean liner ready for launch, synthetic vitamin C produces unexpected cures, and systematic problem solving in chimpanzees.
- Humans
Quick Flicks
The BrainPOP Web site boasts more than 200 animated movies with accompanying comics and activities that answer students’ questions about science, math, health, and technology. A host of characters explains tough concepts in an interesting and humorous way. Unfortunately, visitors to the site can view only two movies per day for free. A subscription to […]
- Health & Medicine
Walking Away from Dementia: Moderate exercise protects aging minds
Two fresh studies strengthen the case that physical activity, including walking at a moderate pace, protects the aging brain from cognitive decline and dementia.
- Health & Medicine
Sleep on It: Fitful slumber tied to diabetes risk
Disturbed slumber, or sleep apnea, appears to make people more susceptible to certain conditions that lead to diabetes.
- Humans
Letters from the September 25, 2004, issue of Science News
More of less is more The counterintuitive finding that atrazine is more likely to kill tadpoles when it is highly diluted (“Just a Tad Is Too Much: Less is worse for tadpoles exposed to chemicals,” SN: 7/10/04, p. 20: Just a Tad Is Too Much: Less is worse for tadpoles exposed to chemicals) reminds me […]
- Humans
Rembrandt’s eye saw no depth
The 17th-century Dutch artist Rembrandt lacked stereoscopic vision, an optical analysis of his self-portraits suggests.
