To replace controversial plastic additive BPA, a chemical company teams up with unlikely allies

To test its new compound, Sherwin-Williams sought help from scientists and environmental groups critical of bisphenol A.

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Chicago kids exposed to lead and other factors struggle as adults

A study finds that racial gaps among Chicagoans in teen pregnancy and wages are due, in part, to exposure to lead and other factors as kids.

Rising temperatures cause shift in behavior for marine life

Researchers from Ontario have noticed a change in their lakes because of climate change.


Neonicotinoids impact bees’ nursing and social behaviors, study finds

Exposure to neonicotinoid compounds, the world's most commonly used insecticides, directly impacts the social behavior of bumblebees, causing them to be less active and less likely to care for or feed larvae


The immune system has a say in how hard ‘teen’ rats play

“Teen” rats like to wrestle. A new study shows the brain’s immune system might trigger changes that morph this desire for rough-and-tumble play into the calm of adulthood.

Less screentime linked to better memory, learning in kids

Kids ages eight to 11 spend an average of 3.6 hours a day on screens, a new study shows. But the best thinking scores come from kids who average fewer than two hours a day of screen time.

We add it to drinking water for our teeth — but is fluoride hurting us?

Two studies — one from Canada and one Mexico — released today point to potential health problems from fluoride, which, in a majority of U.S. communities, is purposefully added to drinking water to protect people's teeth.

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Credit: Jerry Lai/flickr

DDT linked to an increase in autism risk in new study

The discontinued pesticide DDT is linked to an increased risk of autism, according to a new study out of Columbia University Medical Center.

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How many ants is the best number of ants? More than one, fewer than 100

How many ants does it take to make the best decision? This teen found that four to six is just right.

Why many Olympic athletes have early birthdays

When kids start out in sports, coaches tend to pick the biggest as the best. Here’s what scientists are trying to do about it.

Unlike adults, teens don’t perform better when the stakes are high

Adults tend to do better on tasks that have bigger rewards. Not teens. This difference might have to do with the rewiring of the brain during adolescence, new data suggest.

Remembering a pioneer of environmental health science

One rarely is lucky enough to drive the early evolution of a new scientific discipline, but Bernard (Bernie) Weiss was there, always at the forefront as the field of behavioral toxicology took shape.

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From our Newsroom

Editorial: Bicycling is having a moment—let’s use it to make riding more safe and inclusive

As we celebrate a World Bicycle Day like no other, can the U.S. keep the momentum and attention the coronavirus pandemic has brought to bicycling?

Coronavirus, the environment, and you

How the spread of the deadly virus is impacted by climate change, the environment, and our lifestyles.

Climate change creates camouflage confusion in winter-adapted wildlife

Twenty-one species molt from brown to white to survive the winter season. But climate change has created a mismatch between their snowy camouflage and surroundings.

They blinded us with SCIENCE!

From climate change to COVID-19, even the clearest warnings from scientists can misfire with millions of Americans. Pop culture may be a big reason why.

Cutting edge of science

An exclusive look at important research just over the horizon that promises to impact our health and the environment

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