Environment

Warmer temperatures could increase arsenic levels in rice

People around the world consume rice in their daily diets. But in addition to its nutrient and caloric content, rice can contain small amounts of...

Greenhouse gas emissions linked to obesity

In a new study, researchers found that the increasing average body size of people on Earth, in addition to the growing world population may...

Air pollution may increase depression and suicide risk

In a new study, researchers found that people exposed to higher levels of air pollution are more likely to experience depression or die by...

Microplastics million times more abundant in the ocean than we thought

Nothing seems safe from plastic contamination. A new study by NSF-funded researchers at the Scripps Institution of Oceanography suggests there could be a million times...

Dementia might be linked to lead exposure

To the medical community's surprise, several studies from the US, Canada, and Europe suggest a promising downward trend in the incidence and prevalence of...

Shark nets destructive and ineffective, study finds

A new study that looks at both the effectiveness of shark nets in keeping beach-goers safe and their destructive impact on marine life has...

Cleaner air may bring big health benefits very quickly

In a new paper, researchers report that when people are breathing cleaner air, their health could be improved rapidly. They conclude that people can reap...

Birds are shrinking as the climate warms, says a 40-year study

Every day in the spring and fall since 1978, scientists and volunteers at Chicago's Field Museum have gotten up as early as 3:30 in...

Smog-eating graphene composite could reduce air pollution

Scientists have developed a graphene-titania photocatalyst that degrades up to 70% more atmospheric nitrogen oxides (NOx) than standard titania nanoparticles in tests on real...

Electric cars might not yet be green, but we should buy them anyway

Transforming the way we travel is an essential part of tackling the climate crisis. The transport sector contributes about 20% of global carbon emissions. In the...

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Harvard scientists confirm an important cause of grey hair

When Marie Antoinette was captured during the French Revolution, her hair reportedly turned white overnight. In more recent history, John McCain experienced severe injuries as...

Scientists find the major cause of autism

In a new study, researchers discovered that autism is 80% reliant on inherited genes. That means that environmental causes are only responsible for 20% of...

This study finds a new cause of autism

Autism affects 1 in 59 children and is 4 times more common in boys than in girls, and it is a developmental disorder. People with...
These two types of drugs are linked to dementia

These two types of drugs are linked to dementia

In a recent study from the University of East Anglia, researchers find that long-term use of anticholinergic antidepressants is linked to a higher risk...

This walking exercise can make older people healthy and fit

In a recent study from Shinshu University in Japan, researchers found an effective way to increase overall fitness and decrease lifestyle-related disease (LSD) through...