World Topics

Feb 17, 2017

Air pollution is linked to 2.7 million premature births a year

Curbing outdoor air pollution may help prevent 2.7 million premature births a year, a condition that threatens children’s lives and increases their risk of long-term physical and neurological problems, scientists said on Thursday. Fine particles in the air from diesel fumes, fires and other ...

Seagrass decline seen jeopardizing human, coral health

Feb 17, 2017

Seagrass decline seen jeopardizing human, coral health

Underwater meadows of seagrass offer important protection against pollution to both humans and coral reefs, but are in jeopardy worldwide due to climate change, sewage and agricultural runoff, researchers said Thursday. Places with healthy seagrass — where sponges, clams, small fish and other filter ...

Feb 16, 2017

Fossils show quick rebound of life after ancient mass extinction

Fossils including sharks, sea reptiles and squid-like creatures dug up in Idaho reveal a marine ecosystem thriving relatively soon after Earth’s worst mass extinction, contradicting the long-held notion life was slow to recover from the calamity. Scientists on Wednesday described the surprising fossil discovery ...

Study links working remotely to more stress, insomnia

Feb 16, 2017

Study links working remotely to more stress, insomnia

Working outside an office may spare you from commutes and interruptions by colleagues but it also makes you more vulnerable to unpaid overtime, stress and insomnia, the U.N. said Wednesday. A new report from the United Nations International Labour Organization studied the impacts of ...

Oceans have lost 2% of oxygen since 1960, study says

Feb 16, 2017

Oceans have lost 2% of oxygen since 1960, study says

The world’s oceans have lost more than 2 percent of their oxygen since 1960, with potentially devastating consequences for sea plants and animals, marine scientists said Wednesday. In those 5½ decades, parts of the oceans devoid of oxygen, called anoxic waters, have quadrupled, said ...

Feb 16, 2017

Kids with ADHD have some smaller brain regions than normal

Children with attention-deficit hyperactivity disorder have several brain regions that are slightly smaller than usual, more evidence that the disorder should be considered a neurological condition, a new study says. The study, the largest review of ADHD patients’ brain scans ever conducted, might also ...

Vitamin D can protect against colds, flu: study claims

Feb 16, 2017

Vitamin D can protect against colds, flu: study claims

Taking extra vitamin D can protect against colds, flu and other respiratory infections, says a study that has reopened a debate on the usefulness of over-the-counter supplements. A review of 25 clinical trials in 14 countries, some with conflicting results, yielded “the first definitive ...