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Total number of vertebrae: Hox genes have a say

Vertebrates have in common a skeleton made of segments, the vertebrae. During development of the embryo, each segment is added in a time dependent manner, from the head-end to the tail-end: the first segments to be added become the vertebrae of the neck, later segments become the vertebrae with ribs and the last ones the vertebra located in the tail (in the case of a mouse, for example). In this process, it is crucial that, on the one hand, each segment, as it matures, becomes the correct type of vertebra and, on the other, that the number of vertebrae in the skeleton, and therefore the size of the spine, are minutely controlled.

28 Oct 2009

Supermodels' tips for matching glasses with face shapes

According to The Vision Council, 63 percent of American adults wear eyeglasses. For many, finding the ideal frames can be compared to locating the perfect pair of jeans - both require trial and error before discovering a pair that best fits one's shape, style and budget.

24 Oct 2009

Latest optical and laser technology in medicine displayed at FiO meeting

From scopes that help premature babies breathe to techniques for imaging live neurons and beating hearts as they develop, the latest optical and laser technology being deployed in medicine and the biosciences will be on display at the Optical Society's (OSA) Annual Meeting, Frontiers in Optics (FiO), which takes place Oct. 11-15 at the Fairmont San Jose Hotel and the Sainte Claire Hotel in San Jose, Calif.

1 Oct 2009

Qrxpharma forms an alliance with Liaoning Nuokang Medicines to commercialise its venomics assets

QRxPharma Limited,announced today a strategic alliance with Liaoning Nuokang Medicines Co. Ltd. ("Nuokang"), a Chinese biopharmaceutical company based in Shenyang, China, to develop and commercialise QRxPharma's venomics assets for the Chinese market.

25 Sep 2009

Researchers discover the role of endothelin in vaso-occlusive pain

Agonizing physical pain, known as vaso-occlusive pain, can afflict children who have sickle cell disease (SCD). In some cases infants as young as two months of age suffer vaso-occlusive pain so severe that opiate medications and hospitalizations are their only relief. Researchers believe vaso-occlusion is caused by a blockage of the blood vessels that occurs when sickle shaped red cells attempt to pass through the round blood vessels.

11 Sep 2009

Neuroscientists locate where fear is stored in the brain

Fear is a powerful emotion and neuroscientists have for the first time located the neurons responsible for fear conditioning in the mammalian brain. Fear conditioning is a form of Pavlovian, or associative, learning and is considered to be a model system for understanding human phobias, post-traumatic stress disorder and other anxiety disorders.

6 Jul 2009

Removal of gallbladder through vagina offers minimally invasive alternative

Physicians at Northwestern Memorial Hospital successfully removed a patient's gallbladder through the vagina, making them the first in the Midwest and the third in the country to perform the innovative procedure.

25 Feb 2009

Lynx2 gene linked to nervous behavior in mice

To measure anxiety in a mouse and suggest it's similar to anxiety in a person may seem like a stretch, but the metrics sound uncannily familiar.

20 Feb 2009

Xenophobia, for men only

Very few people fear dandelions. Or even dangerous things - like Hummers. We may object to outsized automobiles on principle, but the mere sight of them doesn't make us tremble and sweat and run away. On the other hand, even toddlers show an automatic and powerful fear of snakes, including harmless ones.

5 Feb 2009

Close call for 3 year old girl stung by deadly box jellyfish

A three year old girl is lucky to be alive after she was stung by a deadly box jellyfish at a remote beach in Milingimbi in the Northern Territory, Australia.

15 Dec 2008

US$28 million needed for Myanmar says WHO

WHO and its Health Cluster partners in Myanmar have launched a six-month and US$ 28 million action plan to provide immediate health care for cyclone survivors and to support longer-term efforts to rebuild the country's ravaged health system.

30 May 2008

Platypus venom linked to pain relief

New research released today in the scientific research journal Nature reveals links between platypus venom and its potential benefits for advancing pain relief and antibiotic medication

7 May 2008

Snakes vault past toxic newts in evolutionary arms race

Snakes don't eat fugu, the seafood delicacy prepared from blowfish meat and famed for its poisonous potential.

11 Mar 2008

PNG black market in snake venom means over 600 die needlessly

Recent exposure by the Australian media has revealed that more than 600 people die needlessly in Papua New Guinea (PNG) from snake bites each year because corruption keeps stocks of anti-venom so low.

21 Feb 2008

Better understanding of what genomic changes paved the way for modern humans

Researchers have answered a similarly vexing (and far more relevant) genomic question: Which of the thousands of long stretches of repeated DNA in the human genome came first?

9 Oct 2007

Omega-3 madness: fish oil or snake oil?

Omega-3 claims are popping up in everything from cereal to mayonnaise, but are those foods the panacea that marketers would have you believe According to the cover story in the October issue of Nutrition Action Healthletter , certain omega-3s may reduce the risk of heart disease and might even help protect against cancer, Alzheimer's, and vision problems.

2 Oct 2007

Snake venom composition may change according to the victim

A snake's intended prey might affect the type and evolution of toxins in their venom, research published in the online open access journal BMC Evolutionary Biology shows.

27 Sep 2007

Cell that triggers symptoms in allergy attacks can also limit damage

A blood cell known as a troublemaker for triggering the itch and inflammation in allergy attacks, the mast cell, can also calm down the flare-ups, researchers from Stanford University School of Medicine have found.

3 Sep 2007

Protein on the surface of platelets plays a key role in cancer-induced platelet aggregation

Scientists have provided new details about how cancer cells spread by surrounding themselves with platelets – the blood cells needed for blood clotting.

30 Aug 2007

Fibrin may be new target for Alzheimer's drugs

Despite the rapid rise of Alzheimer's disease - the Alzheimer's Association predicts as many as 7.7 million cases by 2030 - there are no preventative treatments available, few in the pharmaceutical pipeline, and those drugs being developed all share the same two molecular targets.

15 Aug 2007