Browse News Stories
491 to 500 of 24,420 stories
view headlines only
-
'Fountain of Youth' Telomerase: Scientists Successfully Map Enzyme That Has Rejuvenating Effect on Cells
March 27, 2013 Scientists have for the first time mapped telomerase, an enzyme which has a kind of rejuvenating effect on normal cell aging. The findings are a step forward in the fight against ... > full story -
New Insights Into How Genes Turn on and Off
March 27, 2013 Researchers have shed new light on methylation, a critical process that helps control how genes are expressed. Working with placentas, the team discovered that 37 percent of the placental genome has ... > full story -
Tarsiers' Bulging Eyes Shed Light on Evolution of Human Vision
March 27, 2013 After eons of wandering in the dark, primates developed highly acute, three-color vision that permitted them to shift to daytime living, a new study suggests. The findings challenge the prevailing ... > full story -
Dusting for Prints from a Fossil Fish to Understand Evolutionary Change
March 27, 2013 In 370-million-year-old red sandstone deposits in a highway roadcut, scientists have discovered a new species of armored fish in north central Pennsylvania. Studying and describing this fish's ... > full story -
Fewer Children Mean Longer Life?
March 27, 2013 New research into aging processes, based on modern genetic techniques, confirms theoretical expectations about the correlation between reproduction and lifespan. Studies of birds reveal that those ... > full story -
Controversial Worm Keeps Its Position as Progenitor of Humankind
March 27, 2013 Researchers are arguing about whether or not the Xenoturbella bocki worm is the progenitor of humankind. But new studies indicate that this is actually the ... > full story -
More Fat, Less Protein Improves Canine Olfactory Abilities
March 27, 2013 From sniffing out bombs and weapons to uncovering criminal evidence, dogs can help save lives and keep the peace. Now, researchers have uncovered how to improve dogs' smelling skills through diet, by ... > full story -
New DNA Test Identifies Ingredients in Foods
March 27, 2013 Almost all foodstuffs contain the genetic material of those animal and plant species that were used in their preparation. Scientists have developed a novel screening procedure that provides for ... > full story -
Researchers Attach Lyme Disease Antibodies to Nanotubes, Paving Way for Diagnostic Device
March 26, 2013 Existing Lyme disease tests assess the presence of antibodies, which take weeks to form after the initial infection and persist after the infection is gone. Now, a nanotechnology-inspired technique ... > full story -
Mice Show Innate Ability to Vocalize: Deaf or Not, Courting Male Mice Make Same Sounds
March 26, 2013 While humans and birds must learn to vocalize, a neurophysiologist has found that deaf male mice will vocalize to females the same way as hearing mice. The finding points the way to a more finely ... > full story
Search ScienceDaily
Number of stories in archives: 137,313

