ScienceDaily: Top Environment News

---

• Phobia's effect on perception of feared object allows fear to persist
• Low levels of fallout from Fukushima, U.S. study finds
• Birds sing louder amidst the noise and structures of the urban jungle
• What can animals' survival instincts tell us about understanding human emotion?
• Earth's clouds are getting lower, NASA satellite finds
• From Bass Strait to the Indian Ocean: Tracking a current

Phobia's effect on perception of feared object allows fear to persist Posted: 22 Feb 2012 05:42 PM PST The more afraid a person is of a spider, the bigger that individual perceives the spider to be, new research suggests.

Low levels of fallout from Fukushima, U.S. study finds Posted: 22 Feb 2012 10:37 AM PST Fallout from the 2011 Fukushima Dai-ichi nuclear power facility in Japan was measured in minimal amounts in precipitation in the United States in about 20 percent of 167 sites sampled in a nationwide U.S. study.

Birds sing louder amidst the noise and structures of the urban jungle Posted: 22 Feb 2012 10:29 AM PST Sparrows, blackbirds and the great tit are all birds known to sing at a higher pitch in urban environments. It was previously believed that these birds sang at higher frequencies in order to escape the lower frequencies noises of the urban environment. Now, researchers have discovered that besides noise, the physical structure of cities also plays a role in altering the birds' songs.

What can animals' survival instincts tell us about understanding human emotion? Posted: 22 Feb 2012 10:21 AM PST Can animals' survival instincts shed additional light on what we know about human emotion? Neuroscientists pose this question in outlining a pioneering theory, drawn from two decades of research, that could lead to a more comprehensive understanding of emotions in both humans and animals.

Earth's clouds are getting lower, NASA satellite finds Posted: 22 Feb 2012 08:43 AM PST Earth's clouds got a little lower -- about one percent on average -- during the first decade of this century, finds a new NASA-funded university study based on NASA satellite data. The results have potential implications for future global climate.

From Bass Strait to the Indian Ocean: Tracking a current Posted: 22 Feb 2012 06:42 AM PST Deep-diving ocean "gliders" have revealed the journey of Bass Strait water from the Tasman Sea to the Indian Ocean.

You are subscribed to email updates from ScienceDaily: Top Environment News To stop receiving these emails, you may unsubscribe now.	Email delivery powered by Google
Google Inc., 20 West Kinzie, Chicago IL USA 60610