ScienceDaily: Most Popular News |
- Newborns exposed to dirt, dander, germs may have lower allergy, asthma risk
- Turbulent black holes: Fasten your seatbelts ... gravity is about to get bumpy!
- Gene study shows how sheep first separated from goats
- Fasting triggers stem cell regeneration of damaged, old immune system
- A new way to make laser-like beams using 1,000 times less power
- What a 66-million-year old forest fire reveals about the last days of the dinosaurs
- Molecular secret of short, intense workouts clarified
- Research on marijuana's negative health effects summarized in report
- Looking for the best strategy? Ask a chimp
- Scientist uses fossils to prove historic Ohio millstones have French origins
| Newborns exposed to dirt, dander, germs may have lower allergy, asthma risk Posted: 06 Jun 2014 06:11 AM PDT Infants exposed to rodent and pet dander, roach allergens and a wide variety of household bacteria in the first year of life appear less likely to suffer from allergies, wheezing and asthma, according to results of a recent study. Those who encounter such substances before their first birthdays seem to benefit rather than suffer from them. Importantly, the protective effects of both allergen and bacterial exposure were not seen if a child's first encounter with these substances occurred after age 1, the research found.  |
| Turbulent black holes: Fasten your seatbelts ... gravity is about to get bumpy! Posted: 05 Jun 2014 12:57 PM PDT Gravitational fields around black holes might eddy and swirl. Fasten your seatbelts -- gravity is about to get bumpy. Of course, if you're flying in the vicinity of a black hole, a bit of extra bumpiness is the least of your worries. But it's still surprising. The accepted wisdom among gravitational researchers has been that spacetime cannot become turbulent. New research though, shows that the accepted wisdom might be wrong.  |
| Gene study shows how sheep first separated from goats Posted: 05 Jun 2014 11:18 AM PDT Scientists have cracked the genetic code of sheep to reveal how they became a distinct species from goats around four million years ago. The study is the first to pinpoint the genetic differences that make sheep different from other animals.  |
| Fasting triggers stem cell regeneration of damaged, old immune system Posted: 05 Jun 2014 11:15 AM PDT In the first evidence of a natural intervention triggering stem cell-based regeneration of an organ or system, a study shows that cycles of prolonged fasting not only protect against immune system damage -- a major side effect of chemotherapy -- but also induce immune system regeneration, shifting stem cells from a dormant state to a state of self-renewal.  |
| A new way to make laser-like beams using 1,000 times less power Posted: 05 Jun 2014 11:01 AM PDT With precarious particles called polaritons that straddle the worlds of light and matter, researchers have demonstrated a new, practical and potentially more efficient way to make a coherent laser-like beam.  |
| What a 66-million-year old forest fire reveals about the last days of the dinosaurs Posted: 05 Jun 2014 11:01 AM PDT As far back as the time of the dinosaurs, 66 million years ago, forests recovered from fires in the same manner they do today, according to a researchers. During an expedition in southern Saskatchewan, Canada, the team discovered the first fossil-record evidence of forest fire ecology -- the regrowth of plants after a fire -- revealing a snapshot of the ecology on earth just before the mass extinction of the dinosaurs.  |
| Molecular secret of short, intense workouts clarified Posted: 05 Jun 2014 08:35 AM PDT The benefits of short, intense workouts have been extolled as a metabolic panacea for greater overall fitness, better blood sugar control and weight reduction. Scientists confirm something is molecularly unique about intense exercise: the activation of a single protein. The new findings open the door to a range of potential exercise enhancements.  |
| Research on marijuana's negative health effects summarized in report Posted: 05 Jun 2014 06:33 AM PDT The current state of science on the adverse health effects of marijuana use links the drug to several significant adverse effects including addiction, a review reports. The review describes the science establishing that marijuana can be addictive and that this risk for addiction increases for daily or young users. It also offers insights into research on the gateway theory indicating that marijuana use, similar to nicotine and alcohol use, may be associated with an increased vulnerability to other drugs.  |
| Looking for the best strategy? Ask a chimp Posted: 05 Jun 2014 05:35 AM PDT If you're trying to outwit the competition, it might be better to have been born a chimpanzee, according to a new study which found that chimps consistently outperform humans in simple contests drawn from game theory.  |
| Scientist uses fossils to prove historic Ohio millstones have French origins Posted: 04 Jun 2014 11:13 AM PDT A geologist studied fossils to confirm that stones used in 19th century Ohio grain mills originated from France. Fossils embedded in these millstones were analyzed to determine that stones known as French buhr were imported from regions near Paris, France, to Ohio in the United States.  |
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