Related topics: brain · brain cells

New type of extra-chromosomal DNA discovered

(PhysOrg.com) -- A team of scientists from the University of Virginia and University of North Carolina in the US have discovered a previously unidentified type of small circular DNA molecule occurring outside the chromosomes ...

Japan bio-scientists produce 'singing mouse'

Japanese scientists said Tuesday they had produced a mouse that tweets like a bird in a genetically engineered "evolution" which they hope will shed light on the origins of human language.

Evolving a bigger brain with human DNA

The size of the human brain expanded dramatically during the course of evolution, imparting us with unique capabilities to use abstract language and do complex math. But how did the human brain get larger than that of our ...

Mice (and possibly humans) make their own morphine

(PhysOrg.com) -- New research has confirmed that mice have the biochemical pathways required to manufacture morphine from intermediates. Morphine is a powerful drug usually derived from the opium poppy, but scientists have ...

Three-photon microscopy improves biological imaging

(Phys.org)—Scientists may be a step closer to cracking one of the world's most compelling mysteries: the impossible complexity of the brain and its billions of neurons. Cornell researchers have demonstrated a new way of ...

Brain study: Singing mice show signs of learning

Guys who imitate Luciano Pavarotti or Justin Bieber to get the girls aren't alone. Male mice may do a similar trick, matching the pitch of other males' ultrasonic serenades. The mice also have certain brain features, somewhat ...

Sexually naive male mice, fathers respond differently to pups

Sexually naïve male mice respond differently to the chemical signals emitted by newborn pups than males that have mated and lived with pregnant females, according to a study published March 20 in The Journal of Neuroscience. ...

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