Why Are Plants Green?
The dominance of green chlorophyll on Earth may have come after a more purple period.
New Elements
The discovery of four new short-lived elements may be bringing scientists closer to creating new heavy elements with staying power.
Earth’s Water Origins
Lava found deep below the earth reveals the origins of earth’s water.
Gene Swapping Cheese Fungus
How the genes in cheese fungus get around.
Safer Jet Fuels
Researchers have designed a new jet fuel additive that could stop out-of-control fires.
MS and Melatonin
Melatonin could explain why MS symptoms change with the seasons.
Suburban Frogs
Genetically male tadpoles could be turning into female frogs because of the plants in your own backyard.
Toxin Sensing Sea Slugs
A sea slug co-opts a seaweed’s chemical defenses and its ability to harvest energy from the sun.
Cleaning Up TNT
Plants can help remove explosive toxins from land surrounding military sites and conflict zones.
Self-Medicating Ants
When infected with a fungus, ants know how to get their medicine and how much to take.
Beating Bitterness
How do certain foods banish the bitter aftertaste of some medications?
The Drinkable Book
A book that purifies water could help reduce waterborne illnesses in developing countries.
Comet Chemistry
Comet 67P offers a window into the early solar system, and harbors organic compounds that may have provided building blocks for life on earth.
Bombardier Beetle Engineering
The secret behind a beetle’s ability to shoot rapid pulses of high temperature toxins.
Targeting Glycans
Understanding cells’ sugar coating could drive the development of new drugs and therapies.
Sniffing Out Malaria
Malaria parasites use insect-attracting odors to lure mosquitoes.
Glowing Mushrooms
Scientists solve the puzzle of why some mushrooms glow in the dark.
Do-It-Yourself Molecules
A new molecule-making machine is like a 3-D printer for chemistry.
LIFE ON THE EDGE
LIFE ON THE EDGE (Encore Presentation) - The challenges facing endangered California Condors when they return to the wild. Could armadillos help end blindness? How scientists can tell that sharks really are what they eat. Fuel from the sea. And, unraveling the mysteries of glowing blue slime.