| Your World of Science News |  |
| Top Story
|  |  |
|
- Largest prime number found yet is more than 17M digits long
A mathematician at the University of Central Missouri has discovered the largest-known prime number to date -- and it's 17,425,170 digits long. The number, 2 raised to the 57,885,161 power minus 1, was discovered using a network of computers making 150 trillion calculations per second, and is also the 48th example of a rare type known as Mersenne Primes. The last largest prime number was found in 2008 and was 12,978,189 digits long. LiveScience.com
(2/5)
    
| Science in the News
| | |
|
- Study: Moles use scent as sense of direction to find food
Common moles are almost blind, but they make up for that with a sense of smell that's capable of determining from which direction a scent came, a Vanderbilt University researcher says. The study, published in the journal Nature Communications, used tubes to block a mole's nostril on one side and found that the creature would move toward the opposite side. Moles are the first mammals known to use smelling in stereo in its natural foraging behavior, according to the study. National Geographic News
(2/5)
- Experts: Manned asteroid missions aren't a near-future possibility
Scientists say an asteroid mission isn't in the cards in the near future, since the space rocks are lesser known and nearly impossible to map. The Obama administration had asked NASA to land astronauts on nearby asteroids by 2025, but the idea has not been well-received in the space community. "There are still no good asteroid targets for such a mission, a necessary prerequisite for determining mission length and details such as the astronauts' exposure to radiation and the consumables required," according to a report released by the U.S. National Research Council. Space.com
(2/5)
- Study: Olive cultivation began as many as 8,000 years ago
Olives were first cultivated in the Eastern Mediterranean region 6,000 to 8,000 years ago, according to a study published in the journal Proceedings of the Royal Society B. A genetic analysis of 1,900 samples of olive trees from around the area found that olives were likely first domesticated from wild varieties near Turkey and Syria. LiveScience.com
(2/5)
| Research Policy Regulations
| | |
|
- Developing nations unite to fight drug-resistant TB
The governments of Brazil, Russia, India, China and South Africa will cooperate to address drug-resistant tuberculosis as well as malaria, mental health conditions and tobacco use. The so-called BRICS nations will share technology and expertise, such as that gained from South Africa's use of a device to identify a type of drug-resistant TB in less than two hours. The Wall Street Journal
(2/3)
- White House expands Presidential Innovation Fellows program
The Obama administration is accepting applications for Round 2 of the Presidential Innovation Fellows program, which recruits top private-sector entrepreneurs and innovators to work with the federal government for six to 12 months on open data initiatives, personal health records, disaster response and other projects. The second round has five new projects, as well as continuing work on projects from the first round of the program. Applications are being accepted through March 17. InformationWeek
(2/5)
, The White House Blog
(2/5)
| Sigma Xi News
| | |
|
-
Membership in Sigma Xi is an honor worth sharing
Take a look at our website today and learn more about the honor of membership in Sigma Xi.
-
Subscribe to American Scientist magazine
Are you taking advantage of everything Sigma Xi, The Scientific Research Society has to offer? American Scientist is the premier interdisciplinary magazine for science and research. Act now and receive a one-year subscription for only $30. Subscribe today.
| SmartQuote
| | |
|
 | I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel."
--Maya Angelou,
American author and poet
|
| |
|
Advertise
|
| Sales Associate:
Alex Rice
(202) 618-5666 |
| |
|
Read more at
SmartBrief.com |
|
|
|
| |
| |
| | Recent
Sigma Xi SmartBrief Issues:
- Tuesday, February 05, 2013
- Monday, February 04, 2013
- Friday, February 01, 2013
- Thursday, January 31, 2013
- Wednesday, January 30, 2013
| | | Lead Editor:
Bryan McBournie
Mailing Address:
SmartBrief, Inc.®, 555 11th ST NW, Suite 600, Washington, DC 20004 | |
| |
|
| © 1999-2013 SmartBrief, Inc.®
Legal Information |
|
