Search results for killing
Experiment to test killing 1 owl to help another
Dec 10, 2009 |
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(AP) -- Scientists want to determine if killing the aggressive barred owl that has invaded old growth forests of the Northwest would help the protected spotted owl.
A boy for every girl? Not even close
Sep 10, 2009 |
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In a perfect world, for every boy there would of course be a girl, but a new study shows that actual sex ratios can sometimes sway very far from that ideal. In fact, the male-to-female ratio of one tropical butterfly has ...
Fish-Killing Toxin Could Kill Cancer Cells
Sep 09, 2009 |
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A powerful fish-killing toxin could have cancer-killing properties as well, according to collaborative research led by Agricultural Research Service microbiologist Paul V. Zimba and chemist Peter Moeller of ...
Discovery could help stem infections of parasitic roundworms (w/ Video)
Aug 11, 2009 |
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Working with researchers in China, biologists at UC San Diego have discovered how a Chinese drug effective in killing parasitic roundworms works.
Research backs legend of man-eating bird
Other Sciences / Archaeology & Fossils
Sep 22, 2009 |
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(PhysOrg.com) -- A huge flesh-eating eagle that became extinct in New Zealand only 500 years ago was an efficient hunter that could attack prey 10 times its size, UNSW research has found, lending credibility ...
Estrogen-dependent switch tempers killing activity of immune cells
Aug 10, 2009 |
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The sex hormone estrogen tempers the killing activity of a specific group of immune cells, the cytotoxic T cells (CTLs), which are known to attack tumor cells and cells infected by viruses. The key player in this process ...
Understanding Why Rye Works as a Cover Crop
Oct 19, 2009 |
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(PhysOrg.com) -- Agricultural Research Service (ARS) scientists may soon find a way to enhance the weed-killing capabilities of a cereal grain that enriches the soil when used as a winter cover crop.
Cornell releases predator beetle to battle hemlock pest
Nov 11, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Cornell researchers released a well-studied beetle predator to test its ability to ward off a hemlock-killing aphid-like insect.
Study explores violent world of raptors
Nov 25, 2009 |
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A journey that started with a box of bird feet carried three Montana State University graduate students into the gruesome world of raptors and led to their findings being published in a prominent journal.
Research puts a 'Fas' to the cause of programmed cell death
Sep 30, 2009 |
4.7 / 5 (3) |
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Walter and Eliza Hall Institute researchers have put an end to a 10-year debate over which form of a molecular messenger called Fas ligand is responsible for killing cells during programmed cell death (also ...
A reductionist approach to HIV research
Medicine & Health / HIV & AIDS
Nov 30, 2009 |
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A major obstacle to HIV research is the virus's exquisite specialisation for its human host - meaning that scientists' traditional tools, like the humble lab mouse, can deliver only limited information. Now, a team of researchers ...
Death by light: Nanoparticles as agents for the photodynamic killing of antibiotic-resistant bacteria
Nanotechnology / Bio & Medicine
Oct 05, 2009 |
4.3 / 5 (3) |
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(PhysOrg.com) -- The increasing antibiotic resistance of bacteria is a serious problem of our time. Hospital germs in particular have developed strains against which practically every current antibiotic is ineffective. In ...
Sea lions killed, but Columbia salmon toll rises
Nov 07, 2009 |
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(AP) -- Killing or removing 25 California sea lions over the past two years has not reduced the toll on salmon at the base of Bonneville Dam in the Columbia River.
China disinfects town where plague killed 3rd man
Aug 04, 2009 |
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(AP) -- Authorities killed rats and fleas on Tuesday as they disinfected a town sealed off after three people died of pneumonic plague in a remote farming town in northwestern China, according to the provincial health department.
S.Leone elephants 'wiped out' by poachers: official
Nov 26, 2009 |
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Poachers "wiped out" the entire elephant herd in Sierra Leone's only wildlife park, wildlife managers said Thursday after police said they had arrested a gang of 10 poachers.
