Circular RNAs were recently shown to be abundant in mice and humans where they influence gene expression.

Chemistry - Biochemistry

May 22, 2013 not rated yet 0

Mammalian females ovulate periodically over their reproductive lifetimes, placing significant demands on their ovaries for egg production. Whether mammals generate new eggs in adulthood using stem cells has been a source ...

Biology - Cell & Microbiology

Apr 29, 2013 4.7 / 5 (3) 0 |

When a mouse smells a cat, it instinctively avoids the feline or risks becoming dinner. How? A Northwestern University study involving olfactory receptors, which underlie the sense of smell, provides evidence ...

Biology - Biotechnology

Apr 29, 2013 5 / 5 (2) 0 |

Scientists in Mainz and Aachen have discovered a new mechanism that controls egg cell fertility and that might have future therapeutic potential. It was revealed by Professor Dr. Walter Stöcker of the Institute ...

Biology - Cell & Microbiology

Apr 24, 2013 not rated yet 0

A Russian rocket carrying a capsule filled with 45 mice and 15 newts along with other small animals blasted off Friday on a month-long orbital mission that should pave the way for manned flights to Mars.

Space & Earth - Space Exploration

Apr 19, 2013 3.8 / 5 (8) 0

There is a very good reason mothers often carry their crying babies, pacing the floor, to help them calm down. New research published in the Cell Press journal Current Biology on April 18 shows that infants experience an aut ...

Biology - Plants & Animals

Apr 18, 2013 4.8 / 5 (4) 1 |

Denver Holt has been studying the long-eared owl for 27 years. He's banded over 1,700 of the birds and found 225 nests in the U.S. state of Montana.

Biology - Plants & Animals

Apr 11, 2013 not rated yet 0

Newly discovered mouse viruses could pave the way for future progress in hepatitis research, enabling scientists to study human disease and vaccines in the ultimate lab animal. In a study to be published in mBio, the online ...

Biology - Cell & Microbiology

Apr 09, 2013 5 / 5 (1) 0

Like humans, mice can become infected with Borrelia. However, not all mice that come into contact with these bacteria contract the dreaded Lyme disease: Animals with a particular gene variant are immune to ...

Biology - Plants & Animals

Apr 04, 2013 5 / 5 (1) 0

What genes are responsible for the development of breast cancer? What are the brain cell mutations that lead to the onset of Alzheimer's? To find new therapies, scientists have to understand how diseases ...

Biology - Biotechnology

Apr 02, 2013 not rated yet 0

Since the first reports of successful cloning of mammals by somatic cell nuclear transfer, concerns have been raised about the efficiency and repeatability of cloning techniques, and the health of cloned ...

Biology - Biotechnology

Apr 01, 2013 5 / 5 (2) 0

Mate choice is a key factor in the evolution of new animal species. The choice of a specific mate can decisively influence the evolutionary development of a species. In mice, the attractiveness of a potential ...

Biology - Plants & Animals

Mar 28, 2013 not rated yet 0

(Phys.org) —It is easier to copy something than to develop something new - a principle that was long believed to also apply to the evolution of genes. According to this, evolution copies existing genes and then adapts the ...

Biology - Biotechnology

Mar 26, 2013 5 / 5 (3) 9 |

The mystery of exactly how consumption of extra virgin olive oil helps reduce the risk of Alzheimer's disease (AD) may lie in one component of olive oil that helps shuttle the abnormal AD proteins out of ...

Chemistry - Biochemistry

Mar 20, 2013 4.6 / 5 (7) 0

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 ...

Biology - Plants & Animals

Mar 19, 2013 not rated yet 0 |