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Thu, 05 May 2016 14:50:35 EDT
Why vultures matter, and what we lose if they're gone
The primary threat to vultures is the presence of toxins in the carrion they consume. Losses of vultures can allow other scavengers to flourish, and proliferation of such scavengers could bring bacteria and viruses from carcasses into human cities, say investigators.
Thu, 05 May 2016 14:50:27 EDT
T cells use 'handshakes' to sort friends from foes
Chemists provide the first direct evidence that a T cell gives precise mechanical tugs to other cells, and demonstrate that these tugs are central to a T cell's process of deciding whether to mount an immune response.
Thu, 05 May 2016 14:50:25 EDT
Exploiting male killing bacteria to control insects
A team of scientists has discovered a key mechanism that drives a bacteria that kills male insects, a development that could potentially be exploited to control insect pest species in the future.
Thu, 05 May 2016 14:49:04 EDT
Bee model could be breakthrough for robot development
Scientists at the University of Sheffield have created a computer model of how bees avoid hitting walls -- which could be a breakthrough in the development of autonomous robots.
Thu, 05 May 2016 14:48:56 EDT
Sex difference in sports interest: What does evolution say?
Sports are enormously popular, and one striking pattern is that boys and men are typically much more involved than are girls and women. This sex difference has policy implications, and it raises fundamental questions about the nature of sex differences. Although scholars from many disciplines have explored sex differences in sport involvement, few have addressed the issue from a broad, evolutionary perspective. A recent review article synthesizes the relevant theoretical and empirical work.
Thu, 05 May 2016 14:48:50 EDT
No longer lost in translation: Biochemists watch gene expression in real time
Biochemists have made a live-cell movie of RNA translation, the fundamental cellular process by which a ribosome decodes a protein. Sixty years after Francis Crick first described it, these scientists have illuminated, in a single living cell, this final step of gene expression. Their tools: some clever protein engineering, and a custom-built microscope that can show single-RNA translation with nanoscale precision.
Thu, 05 May 2016 14:48:46 EDT
Sea star juveniles abundant, but recovery is anything but guaranteed
An unprecedented number of juvenile sea stars have been observed off the Oregon coast over the past several months -- just two years after one of the most severe marine ecosystem epidemics in recorded history nearly wiped the population out.
Thu, 05 May 2016 14:47:35 EDT
Drug combination could help reduce risk of death in type 2 diabetes
People with type 2 diabetes treated with insulin plus metformin had a reduced risk of death and major cardiac events compared with people treated with insulin alone, a new study shows.
Thu, 05 May 2016 14:47:33 EDT
Six new fossil species form 'snapshot' of primates stressed by ancient climate change
Researchers have unearthed a "mother lode" of a half-dozen fossil primate species in southern China.These primates eked out an existence just after the Eocene-Oligocene transition, when drastic cooling slashed their populations, rendering discoveries of such fossils especially rare.
Thu, 05 May 2016 14:47:23 EDT
Tsunami risk: World's shallowest slow-motion earthquakes detected offshore of New Zealand
New research indicates that slow-motion earthquakes or 'slow-slip events' can rupture the shallow portion of a fault that also moves in large, tsunami-generating earthquakes. The finding has important implications for assessing tsunami hazards. The discovery was made by conducting the first-ever detailed investigation of centimeter-level seafloor movement at an offshore subduction zone.
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