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Tag: "fail" at biology news

Newborn neurons like to hang with the 'in' crowd

...e. Earlier studies had shown that if young neurons fail to receive signals from other brain cells they wither and die. By connecting to functional synapses, the newborn neurons ensure that they are not reaching out to deadbeats. The Gage lab previously identified a subunit of the NMDA receptor, a prote...

Amphibians in losing race with environmental change

...or populations will be able to adapt ?while others fail and go extinct. The systems developed over millions of years to give amphibians survival advantages have now turned against them, scientists say. Examples include: Many amphibians lay their eggs in shallow, open water in direct sunlight to pr...

Arctic ice retreating more quickly than computer models project

...The authors speculate that the computer models may fail to capture the full impact of increased carbon dio...of the present-day sea ice and the models may also fail to fully capture changes in atmospheric and oceanic circulation that transport heat to polar regions...

454 sequencing identifies HIV drug resistance at early stage

...ale University aimed to determine if patients that fail therapy early were initially infected with a drug resistant HIV strain or if mutations arose in response to treatment. This research project examined samples from 258 subjects of the FIRST study, a large multi-center study conducted in the US com...

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