World Topics

Jul 12, 2015

NASA craft discovers heart shape on Pluto

There’s a near-perfect heart shape on Pluto’s rusty red surface. The dwarf planet is dotted with bright points which may be ice caps, and a mysterious dark shape nicknamed “The Whale.” Scientists are seeing all this for the first time as a piano-sized NASA ...

Cuban, U.S. scientists bond over large sharks

Jul 11, 2015

Cuban, U.S. scientists bond over large sharks

Somewhere in the North Atlantic right now, a longfin mako shark — a cousin of the storied great white — is cruising around, oblivious to the yellow satellite tag on its dorsal fin. In mid-July, that electronic gizmo should pop off, float to the ...

Jul 10, 2015

Study links Prozac, Paxil use with birth defects

A sweeping government study of thousands of women has found links between the older antidepressants Prozac and Paxil and birth defects but has cleared other popular treatments in the class, including Celexa, Lexapro and Pfizer’s Zoloft, which is the subject of a major lawsuit ...

Pandas save energy like sloths: study

Jul 10, 2015

Pandas save energy like sloths: study

Giant pandas are the new couch potatoes of the animal world, according to a study Thursday that found the bears are just as sluggish as sloths. Researchers in China tracked five captive pandas and three wild ones for the study, published in the journal ...

Smoking may be a factor in schizophrenia: study

Jul 10, 2015

Smoking may be a factor in schizophrenia: study

In research that turns on its head previous thinking about links between schizophrenia and smoking, scientists say they have found that cigarettes may be a causal factor in the development of psychosis. After analyzing almost 15,000 tobacco users and 273,000 nonusers and their relative ...

Jul 9, 2015

Progress reported in using gene therapy for deafness

Gene therapy for deafness is moving closer to reality, with new research on Wednesday showing the technique for fixing faulty DNA can improve responses in mice with genetic hearing loss. Separately, a clinical trial backed by Novartis is under way to help a different ...