Tag: "crack" at biology news
Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'
...' branches. After ripening, the pods' outer shells crack
openand fall off to reveal seed clusters that look like parasols. As treetop winds blow, individual wing-shaped seeds can then detach andflutter to the ground "like little helicopters," Snook said. Sheestimated that airborne dispersal can sow mahoga...
Cops And Docs Find Evidence In The Other DNA
...has degraded. Crime labsare beginning to use it to crack
cold cases, and medical researchers have linkedmutations in mitochondrial DNA with Alzheimer's,Parkinson's, neuromuscular diseases and blindness. As interest peaks in mitochondrial DNA, so has the need for a standard to assureaccuracy in sequencing m...
Astrobiologist to hunt small game in Siberia
...acks during warm weather,refreezes and expands the crack
in the winter." The cycle repeats endlessly.Some of the permafrost ice wedges have very ancient ice at the center. This alsomeans that any life-forms caught deep in the ice of ancient glaciers andpermafrost are extremely old. Vorobyova brought to NA...
Search and support for the rare white abalone is on; sex must occur with close neighbors
...sbandry technology for abalones, Morse will try to crack
the white abalone?sfertility cycle and learn how to effectively propagate juveniles. "Although techniques already exist that work well for other abalonespecies, the challenge is to adapt them to the food and environmentalidiosyncrasies of wh...
On the floor of the sea: USGS biologists search for rare, white abalone
...is not known. Morse's job on the team is to try to crack
the whiteabalone's fertility cycle and learn how to effectively propagate juveniles. Morse said that although techniques already exist that work well for otherabalone species, the challenge is to adapt them to the food and environmentalidiosyncracies...
To combat poaching, Florida officials use wildlife forensics
...the work about three years ago, the lab has helped crack
about 30 poaching cases statewide, a number they say will grow steadily as the lab branches out into more and more species and types of cases. "I wish I had it 20 years ago," said Capt. Barry Cook of the Florida Fish and Wildlife Conservation Commis...
Cocaine use while pregnant may cause ADHD
... This increased incidence is due to the advent of crack
cocaine, a cheaper form of cocaine that is being u...omen in the United States -- 45,100 women -- smoke crack
cocaine each year. A 1998 Yale University study found that the incidence of prenatal cocaine exposu...
Alcohol and the human fetal brain
...in. "The public gets outraged when they hear about crack
babies," observed Thomas R. Hinds, research associate professor at the University of Washington, "but are relatively blas about children born with alcohol-induced birth defects. The more that we as scientists can substantiate the links between prena...
November GEOLOGY and GSA TODAY highlights
...rough time is critical. The information we need to crack
this problem is contained within fluid inclusions, micron scale pockets of paleofluids trapped in rock minerals. We report the results of a novel technique that finally allows this information to be tapped. The authors have exploited a biomedical tec...
DNA arrays decipher genome's master switches
...e set of all genes they control so that they could crack
open the genetic basis of health and disease. However, finding all the genesi.e., the circuitrydirectly controlled by any given master switch has been a painstakingly long and tedious process, involving years of biochemical and molecular experime...
UCSD researchers decipher molecular "code" capable of controlling plant water loss during droughts
...cientists were able to prove this was the case and crack
the calcium code by conducting a series of experim...ium signals and what weve done, essentially, is to crack
this calcium code," says Schroeder, whose colleagues in the study included UCSD biologists Sarah P. ...
UNC scientists develop new way to calculate stability of proteins
...rofessors Marshall Edgell and Alex Tropsha want to crack
that code. Knowing a protein's unique amino acid arrangement isn't enough information to reliably predict its 3-dimensional architecture. So the next step involves techniques such as nuclear magnetic resonance (NMR) imaging and X-ray crystallography...
Military technologies and increased fishing effort leave no place for fish to hide
...es include sonar mapping systems that reveal every crack
and contour of the seabed in exquisite detail. Today the U.S. Geological Survey is publishing maps that are enabling fishers to penetrate deep into regions once considered too difficult to fish. Private companies are also weighing in, selling the sec...
Remains of seven types of edible nuts and nutcrackers found at 780,000-year-old archaeological site
...toric men) had developed an assortment of tools to crack
open nuts during the Early-Middle Pleistocene Peri... documentation of the use of hammers and anvils to crack
open nuts. The tools of contemporary hunter-gather tribes exhibit great similarity to the artifacts ...
Chimpanzee stone tool site excavated
...ile they are learning the behavior . The nuts they crack
are actually available throughout tropical Africa,...er the course of many years using stone hammers to crack
the very hard nuts of Panda oleosa. Early on in the project it was apparent that having an archaeolo...
Archaeological journey reveals new information on chimpanzee stone tool technology
...n rainforest use stones and branches as hammers to crack
open different types of nuts when foraging. While the nuts they crack
are available throughout tropical Africa, this nut-cracking behavior has been documented only among ...
World's largest scientific society to honor DuPont scientists for 2 breakthrough discoveries
...s. During a storm or explosion, the shock wave may crack
the glass itself, but the fragments stick to the plastic interlayer and the pane stays within its frame. Laminated glass also helps to deflect the explosion, absorbing the blast pressure and some of the energy generated by the blast. Windows are typi...
Wilmington researcher receives award for combating terrorism with chemistry
...glass. During a bomb explosion, the shock wave may crack
the glass itself, but the fragments stick to the plastic interlayer and the pane stays within its frame. Laminated glass also helps to deflect the explosion, absorbing the blast pressure and some of the energy generated by the blast. The resins -- wh...
Natural-born killers enlisted to fight anthrax
...ur years ago. Though he had used them as a tool to crack
open bacteria in a test tube during his graduate school days, it wasn't until the need for alternative strategies to antibiotics became increasingly pressing that he thought of using these enzymes to kill reservoirs of infectious bacteria in people. ...
Diet study focus of TAES research in effort to help save giant panda
... eat it," he said. "They can also grab a stalk and crack
and crunch. They have teeth that are capable of peeling back the stalk to get to the spongy part." To mimic the process, Tolleson said he had to do some experimenting of his own. After locating some bamboo near the Texas A&M campus, he flipped open ...