The genetics content of the Next Generation Science Standards — a recent set of performance-based expectations for elementary, middle, and high school students in science classes — represents, on average, a modest improvement over state standards, bu…
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Evolutionary link between diet, stomach acidity
An analysis of data on stomach acidity and diet in birds and mammals suggests that high levels of stomach acidity developed not to help animals break down food, but to defend animals against food poisoning. The work raises interesting questions about t…
Читать далее...Amazon’s one-stop-shop Dash buttons open to all Prime users
We’ll admit, we really thought Amazon’s Dash Button was an April Fool’s joke. It’s nothing against the product (a small, wirelessly connected strip that allows you to order a specific product from Amazon with a single button press), it just seemed too …
Читать далее...Bioethicists call for end to ‘pay-to-play’ clinical research
Charging people to participate in research studies is likely to undermine the fundamental ethical basis of clinical research, according to a new paper written by bioethicists. The paper outlines the arguments for and against the concept of «pay-to-play…
Читать далее...Red grape chemical may help prevent bowel cancer but less is more
Resveratrol, a chemical found in red grapes, is more effective in smaller doses at preventing bowel cancer in mice than high doses, according to new research. Previous research looked at high doses of purified resveratrol to study its potential to prev…
Читать далее...‘Failed stars’ host powerful auroral displays
By observing a brown dwarf 20 light-years away using both radio and optical telescopes, astronomers have found that such so-called failed stars host powerful auroras near their magnetic poles — additional evidence that brown dwarfs are more like giant…
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