Beavers don't brush their teeth, and they don't drink fluoridated water, but a new Northwestern University study reports beavers do have protection against tooth decay built into the chemical structure of their teeth: iron.
Materials Science
Feb 12, 2015
2
58
A plastic grocery bag cartwheels down the beach until a gust of wind spins it into the ocean. In 192 coastal countries, this scenario plays out over and over again as discarded beverage bottles, food wrappers, toys and other ...
Environment
Feb 12, 2015
5
156
Using a comprehensive analysis of RNA expression in different cell types, scientists from the RIKEN-led FANTOM5 consortium have made major strides toward resolving an outstanding mystery in biology. In the work, published ...
Cell & Microbiology
Feb 12, 2015
0
19
It's been more than 40 years since astronauts returned the last Apollo samples from the moon, and since then those samples have undergone some of the most extensive and comprehensive analysis of any geological collection. ...
Space Exploration
Feb 12, 2015
0
723
Most of our food, medicine, fuel, plastics and synthetic fibers wouldn't exist without catalysts, materials that open favorable pathways for chemical reactions to run forth. And yet chemists don't fully understand how most ...
Materials Science
Feb 12, 2015
0
48
There are over one million juvenile gang members in the U.S., more than three times the number estimated by law enforcement, according to a recent study.
Social Sciences
Feb 12, 2015
1
32
Harvester ants are more than just a convenient snack for the southern European spider, Euryopis episinoides. The young spiderlings innately have a nose for these ants, report Stano Pekár and Manuel Cárdenas of the Masaryk ...
Plants & Animals
Feb 12, 2015
0
16
As hackers invade the computer systems of major companies with greater frequency and their corporate victims scramble to contain the damage and prevent future intrusions, these are boom times for cybersecurity sleuths.
Security
Feb 12, 2015
0
29
Negotiators haggled on the penultimate day of UN climate talks in Geneva Thursday over how best to streamline the bloated draft of a long-awaited pact the world's nations must sign in December.
Environment
Feb 12, 2015
0
15
A European cargo ship is set to depart the International Space Station this weekend. But it will re-enter the atmosphere and burn up the next day, skipping a special descent test because of a problem.
Space Exploration
Feb 12, 2015
1
19
