Uncategorized
- Paleontology
Skimming the Surface: Flying reptile may have scooped its meals
Fossils unearthed in Brazil strengthen the idea that some species of ancient flying reptiles snatched their meals on the fly, snapping up fish as they swooped low over the water's surface.
By Sid Perkins -
19087
While reading that the cranial crest of the pterosaur Thalassodromeus helped regulate body temperature, I pondered another potential use. While gliding near the water, its crested head might act as a rudder for the large-wingspan animal. Perhaps the crest also included nerves that allowed Thalassodromeus to sense fleeing fish. Steve M. AdamsPlano, Texas Perhaps the […]
By Science News - Health & Medicine
Gender differences in weight loss
Men and women gain weight differently and may lose it differently, too.
- Health & Medicine
Antioxidants for greyhounds? Not a good bet
Antioxidant vitamins that greyhound racers have been giving their animals to boost performance actually slow down the dogs.
By Janet Raloff - Health & Medicine
Study fails to link vasectomy to cancer
Researchers have found that men with prostate cancer are no more likely to have had a vasectomy than healthy men are.
By Nathan Seppa -
19086
This article says that the water drop is added to the back of the paper “as a wall against which the metal plume could push.” It seems more likely that the heat of the laser would even more violently vaporize the water, creating a small explosion that would drive the plane forward via the relatively […]
By Science News - Physics
Paper planes get laser liftoff
Powering aircraft by remote lasers works—at least on paper.
By Peter Weiss - Earth
Study links cancer to Vatican Radio
Broadcast transmissions from a forest of antennas owned by Vatican Radio, outside Rome, appear to have boosted leukemia incidence in neighboring communities.
By Janet Raloff - Health & Medicine
Method could boost diabetes therapy
Allowing insulin-producing islets to grow in close contact with each other during cell culture may increase the chance of successful transplant into diabetic people.
- Tech
Software bugs cost big bucks
An epidemic of software errors in industrial computer programs is costing the United States $60 billion per year.
By Peter Weiss - Health & Medicine
Melanoma gene quickly reeled in
Biologists have discovered a gene that may contribute to many cases of deadly skin cancer.
By John Travis - Earth
Crisis on Tap?
Because people are becoming ever more dependent on underground aquifers as sources of water, scientists are striving to understand better how groundwater systems interact with the water that flows across Earth's surface.
By Sid Perkins