UCSF researchers identify regulator of critical brain messenger, hinting at therapy
... we inhibited one isoform, it wouldn't necessarily undermine basic glutamate function," says Edwards, "because the other isoform might be able to carry on the day-to-day functions." The discovery of the glutamate transporter rounds out the understanding of the mechanisms by which neurotransmitters are released...New fossils may be first human ancestors out of Africa, say Science authors
...African cradle. The Dmanisi fossils, however, may undermine this tale of the technologically triumphant hominid. Stone tools found with the two skulls are of the less sophisticated "pebble-chopper" type that preceded the Acheulean in Africa, and the site itself is older than any known Acheulean tools. The too...New fossil snake with legs, reported in Science
...nything to do with snake origins. The finding does undermine the theory that Pachyrhachis represents an evolutionary link between marine reptiles and true snakes. Snakes like boas and pythons have a distinctively mobile skull structure that allows them to nearly unhinge their jaw in a formidable gape and "wa...Sustainable Harvest Of Caiman Falls Short Of Potential
...orbjarnarson, "and short-term vagaries can grossly undermine thelong-term conservation goals of these programs." To diversify the caiman program, Thorbjarnarson and Velasco recommend both establishingecotourism programs and harvesting other valuable wildlife living on theVenezuelan plains, such as anacondas an...Teaching Great White Sharks To Link People With Food Is A Recipe For Disaster
...rds or children's toys. Anyresulting attacks could undermine years of effort to save these endangeredmarine pre...st one fatal great white attack on a tourist could undermine conservationists'efforts, re-establishing the image of the sharks as cold-blooded killers andplaying......the same way. The question is: Would these errors undermine theability of flocks to stay organized and move in a single direction? Vicsek again looked to ferromagnets for the answer. In the absence of heat, twoneighboring magnets prefer to line up perfectly with each other, because itcosts the smallest amoun...