All Stories
- Health & Medicine
Even a little coffee may up heart risk
Drinking just 1 to 3 cups of coffee daily may adversely affect blood concentrations of cholesterol and homocysteine.
- Paleontology
New Fossils Resolve Whale’s Origin
The first discovery of early whale fossils with key ankle bones intact provides compelling paleontological evidence that whales are closely related to many living ungulates, a relationship already supported by molecular data.
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Regarding “Constipation might signal Parkinson’s,” did anyone consider that the patients’ diet might be the reason for constipation and the Parkinson’s disease? Your article reads as if diet can’t affect constipation. Mark Bremer Benicia, Calif.The researchers accounted for smoking, coffee consumption, laxative use, jogging, and intake of fruits, vegetables, and grains. –N. Seppa
- Health & Medicine
Constipation might signal Parkinson’s
Men who are constipated are more likely to develop Parkinson's disease than men who are not.
- Health & Medicine
Obesity linked to pancreatic cancer
People who are obese or who have led sedentary lives with little exercise are more likely than others to develop pancreatic cancer.
- Tech
Designing planet rovers that tumble
Before the decade is out, towering wind-driven balloons may roam the Martian surface, traveling far more extensively than wheeled rovers do.
- Tech
Futuristic engine proves its mettle
A miniature missile shot from a cannon has demonstrated for the first time in free flight that a futuristic jet engine called a scramjet can propel itself.
- Earth
Quantum physics explains core anomaly
Scientists have used the principles of quantum physics to answer the long-standing puzzle of why seismic waves travel at different speeds in different directions across Earth's inner core.
- Earth
Himalayas may be due for big temblors
Scientists say that a narrow region that rims the southern edge of the Tibetan Plateau could be the spawning grounds for large earthquakes that could threaten millions in southern Asia in the decades to come.
- Archaeology
Ancestors who came in from the cold
Researchers found the remains of a 36,000-year-old human occupation in the Russian Arctic, which represents the earliest evidence of a human presence that far north.
- Archaeology
Neandertals used tools with versatility
Microscopic data from artifacts found at two Ukrainian sites indicate that Neandertals used stone tools in flexible ways that allowed them to maintain a broad diet for nearly 50,000 years.
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18968
I’ve just read your account of the “ekpyrotic model” of the universe. Although descriptive, “ekpyrotic” seems rather contrived and is hard to pronounce. Certainly it lacks the pizzazz of “Big Bang.” And “Big Crunch” has been used previously to refer to the “anti-Big Bang” catastrophe thought to be awaiting the universe. How about the “Big […]
