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- Discovery expands search for Earth-like planets: Newly spotted frozen world orbits in a binary star system
- Whales as ecosystem engineers: Recovery from overhunting helping to buffer marine ecosystems from destabilizing stresses
- Black hole fireworks in nearby galaxy
- A first: Scientists show bacteria can evolve biological timer to survive antibiotics
- Learn Dutch in your sleep: Listening to lessons while sleeping reinforces memory
| Posted: 03 Jul 2014 11:21 AM PDT A newly discovered planet is expanding astronomers' notions of where Earth-like—and even potentially habitable—planets can form, and how to find them. At twice the mass of Earth, the planet orbits one of the stars in the binary system at almost exactly the same distance from which Earth orbits the sun. However, because the planet's host star is much dimmer than the sun, the planet is much colder thanEarth -- a little colder, in fact, than Jupiter's icy moon Europa. |
| Posted: 03 Jul 2014 07:29 AM PDT A review of research on whales shows that they have more a powerful influence on the function of oceans, global carbon storage, and the health of commercial fisheries than has been commonly assumed. The continued recovery of great whales from centuries of overhunting may help to buffer marine ecosystems from destabilizing stresses, including climate change, reports a global team of scientists. |
| Black hole fireworks in nearby galaxy Posted: 02 Jul 2014 01:53 PM PDT Celebrants this Fourth of July will enjoy the dazzling lights and booming shock waves from the explosions of fireworks. A similarly styled event is taking place in the galaxy Messier 106, as seen by NASA's Spitzer Space Telescope, Chandra X-ray Observatory and the Herschel Space Observatory. Herschel is a European Space Agency mission with important NASA contributions. |
| A first: Scientists show bacteria can evolve biological timer to survive antibiotics Posted: 30 Jun 2014 07:31 AM PDT When exposed to repeated cycles of antibiotics, within days bacteria can evolve a new adaptation, by remaining dormant for the treatment period to survive antibiotic stress. The results show for the first time that bacteria can develop a biological timer to survive antibiotic exposure. With this new understanding, scientists could develop new approaches for slowing the evolution of antibiotic resistance. |
| Learn Dutch in your sleep: Listening to lessons while sleeping reinforces memory Posted: 30 Jun 2014 06:36 AM PDT When you have learned words in another language, it may be worth listening to them again in your sleep. A study has now shown that this method reinforces memory. "Our method is easy to use in daily life and can be adopted by anyone," says the study director. |
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