Tag: "weighing" at biology news

Baby songbirds and human infants learn sounds in similar ways

...t amazing that something that infants, with brains weighing approximately 1,000 grams, do over a period of yea...oung songbirds over a period of weeks, with brains weighing just 1 gram," says Nottebohm. "Of course," he adds, "the diversity of sounds mastered by the young b...

Hummingbirds lose power at high altitudes

...hshuler put the hummers through their paces. After weighing and measuring wing size, he filmed them hovering inside a Plexiglas cube to obtain wing beat frequency and stroke amplitude, from which he could calculate the power exerted in normal hovering. The second experiment, however, measured ...

Alfred Sommer awarded prestigious Pollin Prize

...round the world." "When I see a baby born in Nepal weighing barely three pounds in settings where it is impossible to survive, I feel very sad. It's unfair that in huge parts of the world so many women and children are dying because of malnutrition," explained Dr. Christian. "I hope that what I'm doing will h...

Loyola sets another world record for smallest baby at 8.6 ounces

...ord for the smallest baby -- Rumaisa (Roo-may-sa), weighing 8.6 ounces at 25 weeks and six days of gestation. ...ion, Loyola has cared for more than 1,700 newborns weighing less than two pounds in the past two decades. From 1936 to December of 2004, there were 62 newborns ...

The giant eagle of Middle Earth

...the extinct Haast's eagle. With a 2.5-3m wingspan weighing in at between 10 and 14 kg, Haast's eagle was abou...g moa, the giant herbivorous birds of New Zealand, weighing up to 200 kg. Evidence of eagle strikes remain, as holes and rents torn into the bones of moa, whic...

Arid Australian interior linked to landscape burning by ancient humans

...d." More than 85 percent of Australia's megafauna weighing more than 100 pounds went extinct roughly 50,000 years ago, including an ostrich-sized bird, 19 species of marsupials, a 25-foot-long lizard and a Volkswagen-sized tortoise, he said. Evidence for burning includes increased charcoal deposits preser...

Green tea extract boosts exercise endurance 8-24%, utilizing fat as energy source

...akatoshi Murase said: "We estimate that an athlete weighing 75 kilograms (165 pounds) would have to drink about four cups (0.8 liter) of green tea daily to match the effect in our experiments." "One of our important findings," Murase pointed out, "was that a single high-dose of GTE or its active ingredients ...

New DNA studies verify existence of three right whale species

...ale species." Reaching some 50 feet in length and weighing up to 100 tons, right whales were once abundant along all land masses in the world's temperate latitudes. Right whales were among the first whale species to be hunted commercially, largely due to the fact that the animals were slow swimmers and would...

Experiments provide proof of how traveling in groups protects insects

...y is correct. By gluing radio transmitters -- each weighing less than half a gram -- to the backs of Mormon crickets in northeastern Utah and northwestern Colorado, Drs. Gregory A. Sword, Patrick D. Lorch and Darryl T. Gwynne showed experimentally that band formation indeed boosted insect survival. Sword is a...

UT Southwestern researchers see hope for treating blindness in preemies

...ROP babies in his clinical practice. "Of preemies weighing less than 2.75 pounds, 50 percent will develop ROP, and of these, 10 percent develop the most severe type, which leads to blindness. Dr. Garcia's work reveals an important mechanism in the development of ROP, with potential to prevent this devastatin...

Researchers reveal the infectious impact of salmon farms on wild salmon

...much smaller than your baby finger 3 cm long and weighing only half a gram. "The youngest fish can be only days old when they encounter a farm," says Krkosek. "Some of these fish are so young their egg sacks haven't been fully absorbed even fish this small are infected." The anchored farms, open cages of c...

Radar tracking reveals that butterflies follow decisive flight paths

... Lizzie Cant has attached tiny radar transponders, weighing only about 12mg (4-8% of body weight), to peacock or small tortoiseshell butterflies. This allows her to use harmonic radar to track the butterfly's position accurately up to 1km away. Previous studies had to use visual observation (difficult over 50...

Three researchers recognized for advancing the Navy's environmental efforts

...compresses the plastic waste into a sanitary disk, weighing approximately 15 pounds, which can be retained on board until a ship returns to port. More than 650 of these devices have been installed on 189 U.S. Navy ships spanning 27 ship classes. Without this capability, ships would have to find storage space ...

Jeffrey Friedman, discoverer of leptin, receives Gairdner, Passano awards

...d thus do not produce leptin, are massively obese, weighing as much as three times as their normal littermates. Friedman showed that after normal and ob mice are injected with synthetic leptin, they are more active and lose weight. In addition, humans lacking leptin eat copious amounts and are massively obese...

Now scientists think you'd be 'roasted' in a black hole

...d still be true. But for a supermassive black hole weighing millions or billions of suns, explains Professor Hamilton, the tidal forces which cause spaghettification are relatively weak. You would instead be roasted by the heat of the plasma. Professor Andrew Hamilton is Professor of Astrophysics at the Depar...

Migration study finds that sweeping management changes are needed to protect Atlantic bluefin tuna

...rican coastline, say the authors. However, bluefin weighing 300 pounds or more, which have a remarkable capacity to stay warm internally, have expanded their range into productive, subpolar seas throughout the North Atlantic, and thus are more likely to cross the boundary, exposing them to oceanic longlines a...

First frozen egg baby born in Canada

...ontreal confirmed the birth of a healthy baby boy, weighing 3740grams on April 29. "We are the first in-vitro fertilization (IVF) Centre in Canada to achieve this success," says Dr. Tan. "This is fantastic news for both the family and for fertility health research and we would like to congratulate the parents...

Joslin study shows weight control protects against low birth weight related glucose intolerance

...on (CDC), the incidence of low birth weight babies weighing less than 2500 grams (5 1/2 pounds) in the U.S. in...nt between 1980 and 2000, while the rate of babies weighing less than 1500 grams (3 1/3 pounds or less), is up 24 percent. The CDC reports that 314,077 low birt...

Ancient diets of Australian birds point to big ecosystem changes

...t of Australia's large mammals, birds and reptiles weighing more than 100 pounds went extinct shortly after humans arrived, including 19 species of marsupials, a 25-foot-long lizard and a Volkswagen-sized tortoise, he said. "This study shows that the environmental footprints of humans can have very lar...

Children born with extremely low-birth-weight have considerable health and educational needs

Children born in the 1990s weighing less than 2.2 lbs. are at significantly increased risk of experiencing chronic health conditions and functional and educational limitations compared to normal-birth-weight children, according to a study in the July 20 issue of JAMA. Advances in peri...

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(Date:4/15/2014)... LIVERMORE, Calif. Zero-emission hydrogen fuel cell systems soon could ... industrial settings at lower costs and with faster refueling ... Sandia National Laboratories and Hawaii Hydrogen Carriers (HHC). , ... solid-state hydrogen storage system that can refuel at low ... to charge a battery-powered forklift, giving hydrogen a competitive ...
(Date:4/15/2014)... research published in the March/April 2014 issue of ... shows whey protein, either as a supplement combined ... or weight-maintenance diet, may provide men and women benefits ... 14 randomized controlled trials with a total of 626 ... that used whey protein to replace calories in the ...
(Date:4/14/2014)... you,re over 24 years of age you,ve already reached ... according to a new Simon Fraser University study. ... professor Mark Blair, Thompson,s thesis supervisor, and Andrew Henrey, ... news in a just-published PLOS ONE Journal ... science experiments to rest on big data, the trio ...
Breaking Biology News(10 mins):Low-cost, hydrogen-powered forklifts with rapid refueling, zero emissions coming soon 2Low-cost, hydrogen-powered forklifts with rapid refueling, zero emissions coming soon 3Low-cost, hydrogen-powered forklifts with rapid refueling, zero emissions coming soon 4New meta-analysis builds on the power of whey protein for improved body composition 2New meta-analysis builds on the power of whey protein for improved body composition 3Study says we're over the hill at 24 2
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