Latest articles by Janelle Weaver
Detecting Down Syndrome: New Test Diagnoses Disease in Utero
The new method relies on fetal DNA taken from the mother's blood, rather than from fluids and tissue surrounding the fetus.
Newfound Hormone Irisin Could Fight Obesity and Diabetes
Irisin, a newfound hormone, may stimulate weight loss and improve health by mimicking the effects of exercise.
Is Homosexuality Based on a Brain Chemical?
Mice without serotonin more likely to mount fellow males.
The Brain in 3-D: New Research Illuminates Cell Circuits
Scientists "crawled through" a jungle of brain cells to create their map.
Data Overload: Scientists Struggle to Streamline Results
The data deluge is at the limits of the human mind, scientist says.
Childhood Diseases May Be Rooted in Evolution
Long childhood is part of what makes humans unique, but this extended developmental stage comes with a cost: a risk of cancer and other genetic diseases.
Mama Bird Skips Out on Chicks for Sex
When the mother hihi bird has a chance to mate multiple times in a season, begging chicks get slighted.
Mission Accomplished: Orangutan Genome Decoded
The sequenced female revealed her genes evolved more slowly than those of chimps and humans.
In the Name of Science: Tracking Bands Can Harm Penguins
The pudgy penguins have lower survival and reproductive rates due to the metal ID bands.
Study: U.S. Torture Techniques Unethical, Ineffective
Three doctors say not only is torture unethical, the scientific basis used to validate them was flawed.
Mating Mystery: Hybrid Animals Hint at Desperation in Arctic
As the ice melts, once-distant species are coming into contact, leading to polar-grizzly hybrids and many others.
Climate Talks Should Include Health Impacts, Docs Say
Ditch a gas-guzzling car for a bike and save your gut and the planet.
