Tag: "late" at biology news
Climate change plus human pressure caused large mammal extinctions in late Pleistocene
...al, or megafauna, extinctions that occurred in the late
Pleistocene, when animals such as mammoths and mas...e is occurring more rapidly today than even in the late
Pleistocene, when the majority of megafauna went extinct, serious consequences for many large animal...
Scientists to prototype cyberinfrastructure for research and education access to ocean observatories
...lent of the MARS testbed, to begin construction in late
2004, led by the University of Victoria; and NEPTUNE (North East Pacific Time-series Undersea Networked Experiments), a joint U.S.-Cnadian regional cabled observatory planned for the northeast Pacific, led by LOOKING PI Delaney. NEPTUNE itsel...
'Dead zone' area shrinking, Texas A&M prof says
...iversity scientists conducted a research cruise in late
August to the "dead zone" - a region in the northern Gulf of Mexico that suffers from low oxygen and results in huge marine losses - and much to their surprise, the "dead zone" area had either moved or had disappeared completely. Steven DiMarco, asso...
UCSF scientist Joe Derisi named MaCarthur Fellow
...ysics to be named a MacArthur fellow. In 1987, the late
Ira Herskowitz, PhD, a UCSF geneticist, received the honor. His studies on the yeast Saccharomyces cerevisiae yielded major insights into the fundamental aspects of cells. He was also a pioneer in pharmacogenetics -- the study of the way natural vari...
Researchers devise potent new tools to curb ivory poaching
...lation until it's so dramatic that it's almost too late
to do anything about it." Wasser is lead author of a paper describing the new means of determining ivory origins, being published the week of Sept. 27 in the Proceedings of the National Academy of Sciences. The African elephant population plummeted...
Tracing genes, biologists show lizard migration is traced to Florida
...genetically distinct groups of the lizard. In the late
1800s, Anolis sagrei was introduced (probably through a shipment of goods) to the Florida Keys, got a toehold and, after a decades-long lag, began spreading into the Florida mainland in the 1940s, most likely from separate introductions. Jas...
New sequence involved in DNA replication timing may aid in cancer detection
...t, and three copies caused replication to occur in late
S phase. The researchers confirmed this finding by...lication is altered: regions that should replicate late
sometimes replicate early and vice versa." As a result, tests for DNA replication timing may eventua...
New hydrothermal vents discovered as 'South Pacific Odyssey' research begins
... has captured the interest of scientists since the late
1960s. Lined with active deep-sea volcanoes and hydrothermal vents--along with massive sulfide deposits enriched in gold and other minerals--it is home to gigantic snails and other strange animals that live in total darkness off of the hot, acidic v...
Joslin Diabetes Center honors brothers living 70-plus years with type 1 diabetes
...ildren, Linda Czarny and Roger Cleveland, with his late
wife of 62 years, Mildred Cleveland. Among those scheduled to speak at the ceremony honoring the Cleveland brothers is Ruth Weinstock, M.D., medical director of Joslin Diabetes Center at SUNY Upstate Medical Center in Syracuse and Professor of Med...
Secretary of Energy announces seven E.O. Lawrence Award Winners
...was established in 1959 to honor the memory of the late
Dr. Ernest Orlando Lawrence who invented the cyclotron (a particle accelerator) and after whom two major Energy Department laboratories in Berkeley and Livermore, Calif., are named. The Lawrence Awards will be presented at a ceremony in Washington, D...
Binocular rivalry: Fulfilling visual expectations
.... To ensure that rivalry was not generated until a late
stage of visual processing, the experimenters used images of walking human figures visible only via lights placed on their joints. This sparse visual stimulus has long been known to provide a compelling impression of a walking person. When a walking ...
South Dakota Tech grad student finds rare whale
... coast of Georgia. At the time of her discovery in late
July, Hart, a master's degree candidate from Brea, Calif., was working on the St. Catherine's Island Sea Turtle Conservation Program. In her studies of sea turtles, Hart is collaborating with Mike Knell of Council Bluffs, Iowa. Knell also is a Tech p...
OutFoxed! New research may redefine late-stage cardiac development
...ops from its earliest stages of development to its late
stages, with the hope of learning why some hearts ...mutant mice is that their hearts develop to such a late
stage. We have never been able to determine in mammals whether fusion of the bilateral heart tubes ...
Snakehead in your inbox? Welcome to the nonindigenous Aquatic Species Alert System
...the site. "Although this system debuted only in late
July, we already are seeing benefits, some beyond what we anticipated," said Pam Fuller, invasive species biologist at USGS's Florida Integrated Science Center who invented and developed the system with Shawn Dalton of Johnson Controls. "For the firs...
Recent evolution at a single gene may have brought down heart disease risk in some human groups
...ubject for speculation; given its usual occurrence late
in life, heart disease itself is considered to have been an unlikely driving force....
Men from early middle ages were nearly as tall as modern people
... cities were absent from northern Europe until the late
Middle Ages. This isolation in the era before effe...bubonic plague made its dramatic appearance in the late
Middle Ages, when trade really took off," he said. Steckel cites several possible reasons why height...
Chernobyl study: Risk of thyroid cancer rises with radiation dose
...dent and director, Robert W. Day, M.D., and by the late
Adm. Elmo Zumwalt, a former center trustee and former chief of naval operations for the U.S. Navy, new relationships were established. In 1992, a research consortium consisting of three international teams working in Russia, Belarus and Ukraine was c...
Anti-cancer compound in vegetables found to block late-stage breast-cancer cell growth
...bles, has been found to be effective in disrupting late
stages of cell growth in breast cancer. Keith Sing...ly occurring plant chemical sulforaphane can block late
stages of the cancer process by disrupting components of the cell called microtubules," said Singlet...
University of Arizona licenses patent for natural fungicide
...ew of pumpkin, cucumber, grape and pepper, and the late
blight of potato, the disease associated with the 19th century Irish potato famine. Zoosporic plant pathogens also cause the sudden oak death affecting oak trees in California and Europe. In the spring of 2004, Jeneil obtained U.S. Environmental Prot...
Advances in tumor angiogenesis Dendritic cells co-opted to the dark side
...e U.S. "One of the problems is that it's diagnosed late
and we don't have effective treatments for it. "Dendritic cells play a central role in the generation of antitumor immune response," says Coukos. "As a result, it was believed that these were mostly good players in inducing tumor rejection." But when...
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