Articles by Tanya Lewis

Four individuals acquired the virus in a region of north Miami, health officials report. 

Scientists still don’t know exactly how some commonly used drugs work. Here’s a look at three such compounds.

High school and college-level oral examiners graded women higher than men in male-dominated fields.

Targeting tau antibodies does not require effector function, researchers report.

Captive ape produces more than 500 vowel-like sounds, offering clues to how speech evolved in humans.

Researchers in Brazil ponder whether virus alone causes birth defects; Colombia declares epidemic over; first Zika-related microcephaly case reported in Europe

The animals, some of which were cloned from the same tissue as Dolly, appeared as healthy as non-cloned sheep, a study suggests.

More than 1.5 million childbearing women could be at risk of infection; pregnancy delays may be insufficient to prevent infection-related birth abnormalities; second study shows low risk of international spread due to Olympics; CDC updates prevention recommendations

Possible case of locally acquired infection in Florida; experimental vaccine approved for US clinical trials

The brains of primates and mice follow the same exponential rule of connectivity, according to a study.

The same populations of brain cells encode memories that occur close together in time, according to new research.

A new map of human cortex combines data from multiple imaging modalities and comprises 180 distinct regions.

The same genes can make people more sensitive to their experiences, “for better of for worse,” psychologists argue.

Increasingly sophisticated tissue organoids can model many aspects of disease, but animal studies retain a fundamental role in research, scientists say. 

More than half of the world’s land may have passed the threshold that threatens long-term sustainable development, researchers report.