According to US Geological Survey, much of the fresh water in the US is contaminated by caffeine.  See acast.com/privacy for privacy and opt-out information.

Scientists are trying to develop a drug that could help stroke patients maximize whatever bypass arteries they may have.  See acast.com/privacy for privacy and opt-out information.

After a stroke, a specialized network of blood vessels redirects the flow of blood in the brain.  See acast.com/privacy for privacy and opt-out information.

Why is it that some patients are able to survive a stroke and others are not?  See acast.com/privacy for privacy and opt-out information.

A group of engineers working on a problem together can turn misunderstandings and miscommunications to their advantage.  See acast.com/privacy for privacy and opt-out information.

Engineers are trying to design a quieter turbine blade inspired by the structure of an owl's wing.  See acast.com/privacy for privacy and opt-out information.

An owl's wings are designed for stealth flying. But just how the design works is still a bit of a mystery.  See acast.com/privacy for privacy and opt-out information.

Which is safer - a helmet made out of many thin layers or a solid piece?  See acast.com/privacy for privacy and opt-out information.

In professional football, the advent of helmets and face masks leg to unexpected problems.  See acast.com/privacy for privacy and opt-out information.

There's strong evidence that concussions can lead to a much more serious condition.  See acast.com/privacy for privacy and opt-out information.

When a football hits the ground, it's time for a little chaos.  See acast.com/privacy for privacy and opt-out information.

Ever wonder why a football is shaped the way it is?  See acast.com/privacy for privacy and opt-out information.

You can throw a prolate spheroid - aka a football - a lot further than a basketball, or an inflated pig's bladder!  See acast.com/privacy for privacy and opt-out information.

Translating high-tech solutions for use in very low-tech environment.  See acast.com/privacy for privacy and opt-out information.

It's like attaching different bits to a drill, but on a whole other scale.  See acast.com/privacy for privacy and opt-out information.

Custom parts? No problem. Using robots and computers, architects are developing new sets of tools and new ways of designing and constructing buildings.  See acast.com/privacy for privacy and opt-out information.

The trees that we plant trees today have been through drastic, dramatic climate change, and they're really a product of it.  See acast.com/privacy for privacy and opt-out information.

What kinds of trees wouldn't you want to have in an urban environment?  See acast.com/privacy for privacy and opt-out information.

A canopy of trees helps to moderate the climate we experience as we're walking down a street.  See acast.com/privacy for privacy and opt-out information.

If you're going for a walk in the woods, here are some tips on how to avoid being bitten by ticks.  See acast.com/privacy for privacy and opt-out information.

Depending upon where you live, disease-carrying ticks can be active year round.  See acast.com/privacy for privacy and opt-out information.

The surprising backstory of Martin Luther King's most famous speech.  See acast.com/privacy for privacy and opt-out information.

Oral histories often reveal untold stories of people you may never find in a history book or a newspaper headline, but whose lives and work were truly significant.  See acast.com/privacy for privacy and opt-out information.

The stories of everyday people form an important and often overlooked part of our history.  See acast.com/privacy for privacy and opt-out information.

For years, Lyme has often gone undiagnosed.  See acast.com/privacy for privacy and opt-out information.