Ancient Pollination
Millions of years before flowers evolved, insects were pollinating non-flowering plants.
Millions of years before flowers evolved, insects were pollinating non-flowering plants.
Ancient insect pollinators, your body's unique microbes, a marine creature that could fix broken bones. Also: does chewing gum really take years to digest?
Huge snakes are invading southern Florida and wreaking havoc on the native wildlife there.
What really killed North America's large mammals at the end of the last ice age?
Dinosaurs get re-sized, why we favor a biased media, people who never forget a face and more.
Comets may have provided the young Earth the molecules necessary for the formation of life.
COSMIC LIFE: Life on the ancient earth and beyond. The comet theory of the origins of life, how oxygen became abundant enough to support an explosion of life, a new method for locating life on other planets, and refuting the asteroid theory of dinosaur extinction.
A super-sized snake in prehistoric Colombia tells scientists about the future of global warming.
EVOLUTION & MORALITY SPECIAL: Hunting large game led to the evolution of the conscience, and evidence of moral systems in other animals. Also: Giant snake fossil points to warmer times, and grandparents helped civilization evolve.
Diamonds and precious metals in the American Midwest point to a cataclysmic explosion in Canada long ago.
The discovery of an ancient fossil dubbed the "Frogomander" is clearing up a mystery about the origins of modern amphibians.
EVOLUTION & EPIGENETICS: Lizards evolve new structures in record time, geographic gene expression in Moroccan Berbers, Tyrannosaurus rex protein confirms genetic link between dinosaurs and birds. Also: Assessing the health of the oceans.
Protein sequencing confirms the evolutionary relationships between dinosaurs and birds.
GENETICS & EVOLUTION: Exclusively human genes, transitional fossils, and the history of lefthandedness.
A listener asks: Have many transitional fossils showing evolutionary links between major groups of animals been found in the fossil record?
A new, comprehensive repository of scientific information for all life on earth comes to the web.
Evolution Special: The history of dogs, butterflies vs. cabbages and the world's largest scorpion. Plus: Could there be life two miles beneath Antarctica?
A snail hides in plain sight. A high-speed continental collision. And what fossils tell us about future extinctions.