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Updated: 3 hours 19 min ago

Resilient hearts for deep-sea divers

Mon, 2015-01-26 08:00
How do aquatic mammals have enough energy to hunt prey while steeply dropping their heart rate to stay underwater? A new study of dolphins and seals provides clues.
Categories: Science & Math News

Ongoing Ebola outbreak traced to hollow tree

Fri, 2015-01-23 14:00
Scientists suspect the current Ebola outbreak started with bats that lived in a hollow tree in Guinea. The outbreak's first victim, a two-year-old boy, often played in the tree.
Categories: Science & Math News

New germ fighter turns up in dirt

Fri, 2015-01-23 14:00
Scientists have found a compound in soil that can kill the microbes that cause anthrax, tuberculosis and other diseases.
Categories: Science & Math News

Tides may regularly swamp many U.S. cities

Fri, 2015-01-23 08:15
As sea levels rise, many cities will begin to experience frequent and extensive flooding at high tides. In some areas — even Washington, D.C. — such flooding could become a weekly headache.
Categories: Science & Math News

Questions for Tides Swamp U.S. Cities

Fri, 2015-01-23 08:00
Questions for Tides Swamp U.S. Cities
Categories: Science & Math News

Air pollution can mess with our DNA

Thu, 2015-01-22 08:00
New research suggests a type of air pollution — diesel fumes — can affect your health. It inappropriately switches some genes on, while turning off others.
Categories: Science & Math News

Finalists named for major teen competition in Washington

Wed, 2015-01-21 13:12
Forty teen researchers have been selected to compete in the Intel Science Talent Search. The event — a program of Society for Science & the Public — will take place in Washington, D.C., March 5 to11.
Categories: Science & Math News

A whale of a lifespan

Tue, 2015-01-20 08:00
Bowhead whales can live more than 200 years. The secret to such longevity may lie in the Arctic species’ genes. Scientists recently mapped the whale’s genetic code. They found features that protect the marine mammal against cancer and other problems related to old age.
Categories: Science & Math News

Cold noses nurture colds

Mon, 2015-01-19 08:00
The common cold infects the nose. Scientists long have known the virus grows better there, but not why. Now, a study finds the body’s defenses simply don’t work as well under the nose’s slightly cooler temperatures.
Categories: Science & Math News

Black holes are on collision course

Sun, 2015-01-18 08:00
But be patient. The distant galactic smashup is still some million years away.
Categories: Science & Math News

Virtual wounds: Computers probe healing

Fri, 2015-01-16 08:01
To better understand how the body heals wounds, scientists have begun creating computer programs that let virtual cells fight it out. These ‘computer games’ could lead to better medicines.
Categories: Science & Math News

Questions for Virtual Wounds: Computers probe healing

Fri, 2015-01-16 08:00
SCIENCEBefore reading:1.    Why do live-action movies rely on computer effects for some scenes? What are some of the advantages of doing so?2.    How does your body respond to a scrape or cut? What visible changes occur, from the moment of injury through the healing process?During reading:1.    What is the “mission” of inflammatory cells?2.    What manages the process of inflammation?3.    Provide an example of a mistake that inflammatory cells might make.4.    Define “agent-based modeling.”5.    Why is agent-based modeling so helpful in studying complex environments?6.    Describe the unexpected behavior that emerged on the virtual battlefield created for the movie.
Categories: Science & Math News

Rewritable paper: Prints with light, not ink

Thu, 2015-01-15 08:00
Rewritable paper could save money, preserve forests and cut down on waste — and all without using any ink.
Categories: Science & Math News

Bird DNA leads to strange family tree

Wed, 2015-01-14 08:00
Field guides often group birds together by similarities in appearance or behavior. But a new study, based on DNA, confirms earlier suspicions that such groupings are only skin-deep.
Categories: Science & Math News

Cell gangs may help cancer spread

Tue, 2015-01-13 08:00
A new study on mice suggests that when cancer cells strike out from a primary (first) tumor in groups, they have an especially good chance of creating new tumors elsewhere.
Categories: Science & Math News

Picture This: Winter brings white noses

Mon, 2015-01-12 08:00
White-nose syndrome, caused by a fungus, has killed millions of bats in the eastern United States. Now, scientists show that the disease comes and goes, by season. The finding could help scientists more effectively target any treatments.
Categories: Science & Math News

Livestock: A need to save rare breeds

Fri, 2015-01-09 08:15
New studies and ongoing work highlight why society should save rare livestock breeds — and the part that technology can play.
Categories: Science & Math News

Explainer: What is a gene bank?

Fri, 2015-01-09 08:01
Most banks store money. But some very special ones store deposits that may prove even more valuable: tissues that could prevent the extinction of breeds and species.
Categories: Science & Math News

Questions for Livestock: A need to save rare breeds

Fri, 2015-01-09 08:00
Questions for Livestock: A need to save rare breeds
Categories: Science & Math News

Harry Potter reveals secrets of the brain

Thu, 2015-01-08 08:01
Figuring out how the brain makes sense of what we read isn’t easy. So scientists enlisted the magical world of Harry Potter. It allowed experts to predict with great accuracy which brain areas would be active in a given part of the story.
Categories: Science & Math News
 

NSF logo This material is based upon work supported by the National Science Foundation under Grant No. DUE-0840824. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.