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Tag: "blow" at biology news

Brightening prospects of using fluorescent nanotubes in medical applications

...hould work as well as gold clusters as microscopic blow torches while their fluorescence should make them easy to locate. At least that is the hypothesis the researchers hope to test....

Invasion of the island bats

...they originated. These views suffered a severe blow recently when evolutionary studies of birds of the South Pacific and Caribbean lizards uncovered at least three separate cases of island-to-continent colonization. Then again, these few instances could be interpreted as the exceptions that prove the ...

Two nerve cells in direct contact

...als from both the facetted eyes of a fly. In the blow fly, the nerve cells that analyse optical flow fields, called tangential cells, are located in the lobula plate. There are only 60 of these tangential cells for each half of the brain and each of these 60 cells can be identified individually. The sci...

Ebola-outbreak kills 5000 gorillas

... of our closest relatives," said Walsh. "Let’s not blow it."...

Contrary to common wisdom, scientist discovers some mammals can smell objects under water

... moles approached one of these targets, they would blow bubbles that came into contact with the target's surface and then were sucked back into the nostrils. "Because the olfactory nerves in the nose are covered with mucous, odorant molecules are all water soluble," Catania said. "So, when these bubbles...

Radiologists attempt to solve mystery of Tut's demise

...in his skull, it has been widely speculated that a blow to the head killed the boy king. However, Dr. Selim and colleagues found several pieces of evidence to the contrary. In the cranial cavity, they found loose bone fragments that were not covered with the intracranial solidified embalming material. The...

Fragmentation rapidly erodes Amazonian biodiversity

...ainforest, hot winds from the surrounding pastures blow into the forest and kill many trees, which just can’t handle the stress,?said Henrique Nascimento, a team member from Brazil’s National Institute for Amazonian Research in Manaus. “Also, winds build up around the fragment and knock down a lot of tre...

Dust to gust

...ed in the tunnel lift the dust from the ground and blow it toward the ocean, allowing the Bodélé valley to export the vast amount of dust that makes a life-sustaining contribution to the Amazon rainforest....

Attacking cancer's sweet tooth is effective strategy against tumors

...ing out the glycolytic pathway could deliver a big blow to tumor cells. "LDHA could be one weak point that we could attack but maybe, if we understand exactly all the steps involved, we could devise alternative strategies to attack the same pathway," Fantin said. What makes the prospect of anti-glycolytic...

Newly discovered killer cell fights cancer

...l. As its name implies, NK cells deliver a deadly blow by poking holes in the invader's outer membrane. Then, NK cells secrete molecules that reach other immune cells, including dendritic cells, known as the main messenger for the immune system. Dendritic cells spread "look here" information about fore...

University of Delaware researchers develop cancer 'nanobomb'

...d introducing a unique nanobomb that can literally blow up breast cancer tumors. Balaji Panchapakesan, assistant professor of electrical and computer engineering at UD, has recently reported on the discoveries in the journals NanoBiotechnology and Oncology Issues. Panchapakesan said this is basic rese...

Thinking the pain away? Study shows the brain's painkillers may cause 'placebo effect'

...Institutes of Health. "This deals another serious blow to the idea that the placebo effect is a purely psychological, not physical, phenomenon," says lead author Jon-Kar Zubieta, M.D., Ph.D., associate professor of psychiatry and radiology at the U-M Medical School and associate research scientist at MBN...

An (ecological) origin of species for tropical reef fish

Dealing a new blow to the dominant evolutionary paradigm, Luiz Rocha and colleagues from the Smithsonian Tropical Research Institute, Harvard University the University of Florida and the University of Hawaii, report coral reef fish from neighboring habitats may differ ...

NASA study finds snow melt causes large ocean plant blooms

...n Sea. This difference in pressure causes winds to blow from the Southwest Arabian Sea bringing annual rainfall to the subcontinent from June to September. In the Western Arabian Sea, these winds also cause upwelling of cooler nutrient-rich water, creating ideal conditions for phytoplankton to bloom every...

Growth in the sea comes down to a struggle for iron

...to grow as readily. Since prevailing winds tend to blow iron rich dust off the Asian continent into the Pacific, it may be that phytoplankton closer to the source of that dust may be primed to respond differently. Wells and his colleagues will be studying the possibility that small variations in iron thr...

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