Birds Deal With "Cocktail Party Effect"
...ists combined the tape-recorded songs ofstarlings, brown thrashers, nightingales and mockingbirds. Thestarling and brown thrasher songs were paired together, as werethe songs of nightingales and mockingbirds. When th...Lethal Parasite Prime Suspect In Fish Kills At Salton Sea
...g birds including 1,400 endangered California brown pelicans and 10-12% of the west coast populat...irds. Over 605 carcasses including 234 gulls, 138 brown and white pelicans, and 135 herons and egrets were picked up. Again, sick and dead tilapi...DNA Helps Track Origins Of Growing Blight Problem
... Caused by fungus, blight appears as large, brown blotcheson leaves, stems and fruit causing them eventually to shrivel and die. Itspreads through the release of spores. "Tomato plants with blight result in high sporelevels and spores can travel up to 20 kilometres to infect both pota...Peutz-Jeghers Disease Gene Identified: Enzyme Loss Causes Polyps And Cancer
...se is characterized by gastrointestinal polyps, brown melanin spots around the lips, and a high risk ...a mystery until very recently. The typical dark brown melanin spots on the lips and around the mouth are easily recognized during childhood, but can fa...USGS Cautions Proper Use Of Pepper Spray To Avoid Bear Attacks
...d offaggressive bear attacks, may actually attract brown bears if used improperly,according to preliminary ...effective as a deterrent in aggressive grizzly and brown bear encounterswhen sprayed directly in a bear's eyes or nose, his pilot study shows that sprayresid...At Life's Most Sensitive Stage, Embryos Cope With Stress
...ess. Brawleyand her research team studied Fucus, a brown seaweed that lives around theworld. In laboratory experiments, they showed that Fucus waits to release itsgametes when the water is calm and salinity is high - two conditions likely tostrongly increase the success rate of external fertilization. Look...When To Reproduce? It's All In The Timing
...e interestedin Fucus , a globally common family of brown seaweeds. Fucus species were theonly seaweed known to thrive equally well in saline waters as well as lowsalinity environments such as the Baltic Sea. In following years, she received support from the National ScienceFoundation for field stu...Studies Underscore Link Between Nutrition And Nonmelanoma Skin Cancers
...nium is available liberally in foodsources such as brown rice, whole grains and Brazil nuts. One single Brazil nutprovides 120 micrograms of the mineral, exceeding the 100 microgram recommendeddaily dose, he noted. Arbesman cautions against taking selenium supplements because ofpotential adverse ...Research Shows How Shrimps Escape Predators
...rents to enablethem to sense the chemical odour of brown trout waiting downstream to ambushthem. Jonas Dahl, a limnologist at Lund University in Sweden, placed a set ofmesh enclosures in a stream north of Lund. Half the enclosures contained browntrout and half were empty. Dahl then counted amphipo...Tourists And Scientists Could Be Bringing Deadly Diseases To Antarctica's Wildlife
...Last year, Argentinian scientists reported that 19 brown and south polarskuas died from infection with a hyphomycete fungus at Hope Bay in the northernAntarctic Peninsula. And in one of the largest outbreaks reported to date, 1345New Zealand sea lion pups and 85 adults died in January and February this yea...Cardinals Can Recognize Gender By Song, Columbia University Biologist Finds
...ivethe winter. The male is bright red, the female brown with a pinkish orangehead. Ornithologists had never distinguished between male and femalecardinal songs, since there is no distinction between the two to human ears andbecause most scientists assumed that female cardinals, like the females of m...Bat Sonar Sharper Than Thought; Much Better Than Man-Made Gear
...of the object. The experiments involved big brown bats collected from New England homes. The bats sat on a Y-shaped elevated platform and broadcast sonar soundsinto microphones to their left and right. The signals were delayed, thenreplayed back as altered artificial echoes from lo...Bones of Crocodile-like Beasts Tell Tale of Global Warming
...g along a ridge, and wespotted a layer between the brown volcanic rocks and the black marine shale.From a distance we knew that these rocks represented an environment we hadn'tseen before. Once we reached them, we realized these were fine-grain sedimentaryrocks ideal for preservation of fossils, and I bet ...Alien Species Cost U.S. $123 Billion A Year
...rvegicus "(variously called the Asiatic, Norway or brown rat). Rats on poultry farms and other farms number about 1 billion and each destroysgrain and other goods worth $15 a year, Pimentel says. In urban and suburbanareas of the U.S., there is roughly one rat for every human, causing fires bygnawing on ...Controlling Problem Snakes: Saipan Benefits From USGS Research
...an and other PacificIslands confront the threat of brown tree snakes, a prolific pest species thathas cause.... Scientists consider as pests both the non-native brown tree snake and the Habusnake because of their invasion and ecological takeover of habitats in Guam a...Fishermen Are Killing Brown Pelicans With Kindness
MIAMI---People who feed brown pelicans chunks of fish left over from a dayof fis...ld. It has only been in the past 10 years that the brown pelican has beenupgraded to the protected species list from the endangered species list.During the 1...Invasive fishes pose increasing threat to U.S. waters and native fishes, says USGS
...that people often assume are native -- such as the brown trout-- were actually introduced to this country in the 19th century. The authors also hope to educate anglers and aquarium hobbyists about theconsequences of releasing live fish into natural waterways. "These fishsometimes carry diseases and parasi...Massive pollution documented over Indian Ocean
... The INDOEX scientists reported finding a dense, brown haze of pollutionextending from the ocean surface to altitudes of one to three kilometers. Thehaze layer covered much of the research area almost continually during thesix-week experiment. The affected area includes most of the northern IndianOcean...Mice show function of gene that causes two types of blindness
...e retinal pigmentepithelium (RPE) of lipofuscin, a brown pigment generally associated with aging.The buildup of lipofuscin poisons the RPE, which then cannot perform its role ofkeeping photoreceptor cells healthy. The unhealthy cells begin to die, causingblindness. The lipofuscin accumulation seen in the r......rse the seeds. New research shows that without the brown lemur, theseforests fail to regenerate completely ...e eight lemur species living in these forests, the brown lemuris the only one that ingests and excretes intact seeds larger than half an inch.Seven of the 20...