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September 10: Herbal Medicines Decoded: How Plants That Soothe and Cure Do It

From ancient traditions to modern pharmaceutical labs, certain plants have been valued for their therapeutic qualities. The Weng Lab analyzes the unique chemistry --and evolution-- of such plants.

October 22: The Impact of Climate Change on Forest Ecosystems

An explanation of how the different components of the forest ecosystem --including soil, microbes, plants and creatures -- must co-adapt and respond to our rapidly changing climate.


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Germs and Disease

The notion that invisible organisms cause disease was very difficult to accept

Exoplanet Atomospheres

How do scientists investigate exoplanet atmospheres --and what are they discovering? Mercedes Lopez-Morales

History of the Universe in One Hour

From the Big Bang to parallel universes... Max Tegmark

The Evolution of Photosynthesis

How photosynthesis --and life-- emerged in Earth's ancient chemical environment. Tanja Bosak and Alexander Petroff

Understanding How Life Began

Molecules in meteorites met with an optimal chemical environment on Earth. Alonso Ricardo

Why the Earth Needs Its Oceans

A fascinating explanation of the complex relationship between the oceans and atmosphere --and how that balance makes the planet function. Amala Mahadevan

Reading the Clouds to Understand Climate Change

Clouds and the particles they contain are essential information for climate science. Here's how scientists gather and decipher that information. Daniel Cziczo

The Advent of Personalized Genomic Medicine

Genomic medicine will revolutionize health care, but it also introduces a challenge for data management. John Quackenbush

Bionic Being: The New Prosthetics

In this extraordinary era almost any limb, organ or tissue can be replaced. Shawn Kelly

Solar Energy the Third Way

Efficient production of solar energy with solar thermo-electric generators (STEGs)... Gang Chen

Fracking: The Facts and Issues

A panel of experts presents the known scientific, health and environmental facts about fracking. Phartiyal_Pallavi, Aaron Bernstein, William Moomaw, Andrew Rosenberg

Today's Featured Contributors

Featured Author

Emily Monosson, Ph.D.

An evolutionary toxicologist considers why some organisms adapt to our toxic world while others do not.

Featured Guest

Meet Justin Hollander, PhD, AICP

A dual commitment: restoring contaminated land and hands-on training of students