16/10/2013

Tracking viral DNA in the cell

Cell biologists and chemists from the University of Zurich reveal how viral DNA traffics in human cells. They have developed a new method to generate virus particles containing labeled viral DNA genomes. This allowed them ...

Veeva Systems stock soars on debut

Shares of Veeva Systems Inc. are soaring in their trading debut Wednesday after the cloud-based software company raised about $261 million in its initial public offering.

Predicting health risks of everyday chemicals

Concern over the safety of everyday household products, such as baby bottles and soaps, has spurred a wide-ranging research effort into predicting the health risks of tens of thousands of chemicals. That's the topic of the ...

Cuckoos impersonate hawks by matching their 'outfits'

New research shows that cuckoos have striped or "barred" feathers that resemble local birds of prey, such as sparrowhawks, that may be used to frighten birds into briefly fleeing their nest in order to lay their parasitic ...

Engine technology on the road to meeting emissions standards

An engine design appearing under the hoods of many new cars and light trucks today is close to meeting the latest pollution standards that will require vehicles to emit fewer harmful particles over their lifetimes, scientists ...

Carbon cycle models underestimate indirect role of animals

Animal populations can have a far more significant impact on carbon storage and exchange in regional ecosystems than is typically recognized by global carbon models, according to a new paper authored by researchers at the ...

Birds on repeat: Do playbacks hurt fowl?

In the forests of Ecuador, plain-tailed wrens nest in bamboo thickets, singing complex and continuous melodies. Residing nearby are rufous antpittas, small, secretive birds that hop like thrushes and whistle in mossy forests. ...

Software uses cyborg swarm to map unknown environs

(Phys.org) —Researchers from North Carolina State University have developed software that allows them to map unknown environments – such as collapsed buildings – based on the movement of a swarm of insect cyborgs, or ...

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