News articles tagged with 'tadpole'
New role for an old molecule: Protecting the brain from epileptic seizures
— 6 Mar 2011 19:14 | HealthFor years brain scientists have puzzled over the shadowy role played by the molecule putrescine, which always seems to be present in the brain following an epileptic seizure, but without…
Sterility in frogs caused by environmental pharmaceutical progestogens
— 17 Feb 2011 18:36 | BiologyFrogs appear to be very sensitive to progestogens, a kind of pharmaceutical that is released into the environment. Female tadpoles that swim in water containing a specific progestogen,…
Scientists find nerve cell activity drains stem cell pool in developing brain
— 5 Nov 2010 14:15 | HealthAs babies grow, their brain cells develop from a pool of stem cells - some stem cells continuously divide, replenishing the pool, whereas others morph into mature functioning nerve…
The sea squirt offers hope for Alzheimer's sufferers
— 17 Mar 2010 13:35 | HealthAlzheimer's disease affects an estimated 27 million people worldwide. It is the most common form of age-related dementia, possibly the most feared disease of old age. There is no cure,…
Research suggests EPA pesticide exposure test too short, overlooks long term effects
— 18 Aug 2009 10:18 | EnvironmentThe four-day testing period the U.S. Environmental Protection Agency (EPA) commonly uses to determine safe levels of pesticide exposure for humans and animals could fail to account…
Skin colour studies on tadpoles lead to cancer advance
— 29 Jan 2009 21:52 | HealthThe humble tadpole could provide the key to developing effective anti-skin cancer drugs, thanks to a groundbreaking discovery by researchers at the University of East Anglia (UEA)…
Light triggers a new code for brain cells
— 12 Nov 2008 18:00 | BiologyBrain cells can adopt a new chemical code in response to cues from the outside world, scientists working with tadpoles at the University of California, San Diego report in the journal…
Low concentrations of pesticides can become toxic mixture
— 12 Nov 2008 16:46 | EnvironmentTen of the world's most popular pesticides can decimate amphibian populations when mixed together even if the concentration of the individual chemicals are within limits considered…
New study shows diversity decreases chances of parasitic disease
— 22 Oct 2008 10:26 | BiologyA new University of Colorado at Boulder study showing that American toads who pal around with grey tree frogs reduce their chances of parasitic infections known to cause limb malformations…
Study reveals ecosystem-level consequences of frog extinctions
— 17 Oct 2008 14:59 | EnvironmentStreams that once sang with the croaks, chirps and ribbits of dozens of frog species have gone silent. They're victims of a fungus that's decimating amphibian populations worldwide.…