ScienceDaily: Most Popular News |
- Dietary cocoa flavanols reverse age-related memory decline in mice
- Climate change caused by ocean, not just atmosphere
- Ebola's evolutionary roots more ancient than previously thought
- A 'Star Wars' laser bullet -- this is what it really looks like
- Let there be light: Evolution of complex bioluminescent traits may be predictable
- Stone Age tools: Innovation was local, not imported, in Eurasia more than 300,000 years ago
| Dietary cocoa flavanols reverse age-related memory decline in mice Posted: 26 Oct 2014 04:50 PM PDT Dietary cocoa flavanols —- naturally occurring bioactives found in cocoa —- reversed age-related memory decline in healthy older adults, according to a new study. Flavanols are also found naturally in tea leaves and in certain fruits and vegetables. |
| Climate change caused by ocean, not just atmosphere Posted: 25 Oct 2014 12:27 PM PDT Most of the concerns about climate change have focused on the amount of greenhouse gases that have been released into the atmosphere. A new study reveals another equally important factor in regulating Earth's climate. Researchers say the major cooling of Earth and continental ice build-up in the Northern Hemisphere 2.7 million years ago coincided with a shift in the circulation of the ocean. |
| Ebola's evolutionary roots more ancient than previously thought Posted: 24 Oct 2014 07:12 AM PDT A new study is helping to rewrite Ebola's family history. It shows that Ebola and Marburg are each members of ancient evolutionary lines, and that these two viruses last shared a common ancestor sometime prior to 16-23 million years ago. |
| A 'Star Wars' laser bullet -- this is what it really looks like Posted: 22 Oct 2014 07:35 AM PDT Action-packed science-fiction movies often feature colourful laser bolts. But what would a real laser missile look like during flight, if we could only make it out? How would it illuminate its surroundings? |
| Let there be light: Evolution of complex bioluminescent traits may be predictable Posted: 21 Oct 2014 10:50 AM PDT A longstanding question among scientists is whether evolution is predictable. A team of researchers from University of California Santa Barbara may have found a preliminary answer. The genetic underpinnings of complex traits in cephalopods may in fact be predictable because they evolved in the same way in two distinct species of squid. |
| Stone Age tools: Innovation was local, not imported, in Eurasia more than 300,000 years ago Posted: 25 Sep 2014 11:12 AM PDT Analysis of stone artifacts from the excavation of a 300,000-year-old site in Armenia shows that new technologies evolved locally, rather than being imported from outside, as previously thought. |
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