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Netherlands to slaughter more animals in Q fever epidemic

Medicine & Health / Diseases

created Dec 16, 2009 | popularity not rated yet | comments 0

The Netherlands stepped up measures Wednesday against the world's biggest Q fever epidemic that has killed 10 humans, by ordering the slaughter of over 30,000 animals, a press release said.


The battle of the sexes

Ovaries must suppress their inner male

Biology / Biotechnology

created Dec 10, 2009 | popularity 4.7 / 5 (9) | comments 0

For an ovary to remain an ovary, the female organ has to continuously suppress its inner capacity to become male. That's the conclusion of a study in the December 11th issue of the journal Cell revealing that t ...


Newly discovered mechanism allows cells to change state

Newly discovered mechanism allows cells to change state

Biology / Cell & Microbiology

created Dec 09, 2009 | popularity not rated yet | comments 0

Cells are not static. They can transform themselves over time — but change can have dangerous implications. Benign cells, for example, can suddenly change into cancerous ones.


Stem cells battle for space

Medicine & Health / Research

created Dec 04, 2009 | popularity 5 / 5 (2) | comments 0

The body is a battle zone. Cells constantly compete with one another for space and dominance. Though the manner in which some cells win this competition is well known to be the survival of the fittest, how stem cells duke ...


Understanding DNA Repair and Cancer

Biology / Cell & Microbiology

created Dec 03, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A protein that plays a key role in copying DNA also plays a vital role in repairing breaks in it, UC Davis scientists have found. The work is helping researchers understand how cancer cells can resist radiation ...


Hope for men with nonobstructive infertility

Medicine & Health / Research

created Dec 03, 2009 | popularity not rated yet | comments 0

It has been thought that men with non-obstructive azoospermia (NOA), a lack of sperm in the semen not caused by an obstruction within the reproductive system, are poor candidates for IVF. Now, researchers writing in the open ...


Why females live longer than males: is it due to the father's sperm?

Medicine & Health / Research

created Dec 01, 2009 | popularity 4.6 / 5 (20) | comments 12

Researchers in Japan have found that female mice produced by using genetic material from two mothers but no father live significantly longer than mice with the normal mix of maternal and paternal genes. Their findings provide ...


'The pill' for him: Scientists find a hormonal on-and-off switch for male fertility

Medicine & Health / Research

created Nov 30, 2009 | popularity not rated yet | comments 0

A new research report published in the December 2009 print issue of The FASEB Journal could one day give men similar type of control over their fertility that women have had since the 1960s. That's because scientists have f ...


Opposites attract: Monkeys choose mating partners with different genes

Biology / Evolution

created Nov 24, 2009 | popularity 5 / 5 (1) | comments 0

The world's largest species of monkey 'chooses' mates with genes that are different from their own to guarantee healthy and strong offspring, according to a new research study.


Mexican labs target adulterers with DNA testing

Medicine & Health / Other

created Nov 20, 2009 | popularity not rated yet | comments 0

Suspect your significant other might be cheating on you? In Mexico, numerous laboratories are now offering a way to find out for sure -- DNA tests.


turkey

Modern Turkey: Modern Miracle

Other Sciences / Other

created Nov 18, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Many of us will sit down with our families to a wonderful turkey dinner this Thanksgiving. But statistics increasingly show that Americans consider turkey a year-round staple.


Scientists Unravel Evolution of Highly Toxic Box Jellyfish

Scientists Unravel Evolution of Highly Toxic Box Jellyfish

Biology / Plants & Animals

created Nov 18, 2009 | popularity 4 / 5 (5) | comments 1

(PhysOrg.com) -- With thousands of stinging cells that can emit deadly venom from tentacles that can reach ten feet in length, the 50 or so species of box jellyfish have long been of interest to scientists ...


Investigating muscle repair, scientists follow their noses

Investigating muscle repair, scientists follow their noses

Biology / Cell & Microbiology

created Nov 16, 2009 | popularity 4 / 5 (4) | comments 0

When muscle cells need repair, they use odor-detecting tools found in the nose to start the process, researchers have discovered.


Chromosomes dance and pair up on the nuclear membrane

Chromosomes dance and pair up on the nuclear membrane (w/ Video)

Biology / Cell & Microbiology

created Nov 13, 2009 | popularity 4.7 / 5 (3) | comments 0

(PhysOrg.com) -- Meiosis - the pairing and recombination of chromosomes, followed by segregation of half to each egg or sperm cell - is a major crossroads in all organisms reproducing sexually. Yet, how the ...


A motley collection of boneworms

A motley collection of boneworms (w/ Video)

Biology / Plants & Animals

created Nov 10, 2009 | popularity 5 / 5 (6) | comments 1

(PhysOrg.com) -- It sounds like a classic horror story -- eyeless, mouthless worms lurk in the dark, settling onto dead animals and sending out green "roots" to devour their bones. In fact, such worms do exist ...