Changing Foliage
Climate change may affect fall foliage in many different ways.
Naturally occurring soil bacteria can make fruit ripen more slowly – potentially saving a lot of food and money.
LESSONS FROM THE DEAD (Encore Presentation) - Scientists attempt to bring back an extinct frog. Mummies showing signs of heart disease make researchers rethink assumptions about lifestyle and diet. The mysterious death zone within African "fairy circles" explained. Also: a miniature laboratory under the skin monitors blood chemistry.
Migratory gray vireos help elephant trees disperse their seeds in Baja, California.
EVOLUTION & EXTINCTION - (Encore Presentation) What really happened to Australia's missing megafauna, how carnivores lost their sweet tooth, why lovelorn fruit flies resort to alcohol, strategic miscarriages in monkeys, and a new frog species is discovered in plain sight.
Trees described by Henry David Thoreau in Walden are adapting to
earlier spring thaws, but face stiff competition from invasive species.
Researchers are trying to boost the efficiency of photosynthesis in crops like soybeans, rice and potatoes to feed the world’s growing population.
INSECTS & SPIDERS - Could spider venom be the next insecticide? Why mosquitoes smell you better at night. And debunking the myth of extracting dinosaur DNA from insects preserved in amber. Also, insect legs that bear an uncanny resemblance to modern machinery.
Researchers have unearthed the earliest known evidence for the use of flowers to adorn human graves.
When large animals like toucans are removed from tropical rainforests, the trees suffer.
Plants that were frozen in glaciers 400 years ago are growing again as those glaciers melt away.