For The Better

Babies and children sitting in bicycle trailers breathe in more polluted air than the adults riding the bikes that pull them — but trailer covers can help halve air pollution levels.

One out of three people in a large survey showed signs of exposure to a pesticide called 2,4-D, according to a new study. This novel research found that human exposure to this chemical has been rising as agricultural use of the chemical has increased, …

A new study found that measuring the time it takes for a radar pulse to travel from a satellite to the sea surface and back again can reveal the thickness of river ice and dates when it is safe to travel on ice roads and bridges in Arctic regions.

Whether Guard Cells (GCs) carry out photosynthesis has been debated for decades. Earlier studies suggested that guard cell chloroplasts (GCCs) cannot fix CO2 but later studies argued otherwise. Until recently, it has remained controversial whether GCCs…

Many North American migratory birds are shrinking in size as temperatures have warmed over the past 40 years. But those with very big brains, relative to their body size, did not shrink as much as smaller-brained birds, according to new research. The s…

A new study has shown that the effects of pollutants can be transmitted over many generations in water fleas and may persist long enough to influence the evolutionary process. The research adds new evidence to the debate on whether environmental influe…

Although recreational and medicinal marijuana (cannabis) is increasingly available across the U.S., public and professional awareness that cannabis use may adversely affect brain health is critical, according to the American Heart Association’s first s…

Hitting a material with laser light can produce a flash of superconductivity — the ability to carry electric current with no loss — and may offer a path toward room-temperature conductivity.