Stress & Death
The presence of a predator can lead to an insect’s early death from causes other than predation.
The presence of a predator can lead to an insect’s early death from causes other than predation.
ANIMALS & HEALTH - Why one insect's mating habits could lead to its downfall, why predators are literally scaring dragonflies to death, and pythons reveal the benefits of having a big heart. Also: why animals swimming in the ocean may be affecting the global climate.
The incidence of nearsightedness has increased dramatically over the past few decades. Researchers think a lack of outdoor activity could be partially responsible.
A chemical that repels the opposite sex could be used to help control a common crop pest without the use of pesticides.
THE SCIENCE OF LIGHT & VISION - A pacemaker that restarts the heart with light, and a secret code made from fluorescent bacteria. And, could a lack of outdoor activity be making kids more nearsighted? Also: new research suggests that IQ might not be as stable as once thought.
Changes in chemical signaling among ocean bacteria may be impacting the global climate.
Improved artificial muscle fibers can twist at high speeds while carrying heavy loads.
SCIENCE UNDERWATER - Why the seas of the future may belong to jellyfish, why fish tanks can be breeding grounds for aggression, how chatter between ocean bacteria contributes to climate change, and good news about sea turtles. Also, scientists unveil the first underwater cloaking device.
A new treatment may block specific allergies without disrupting other immune functions.
Scientists have created a secret fluorescent code by inserting jellyfish genes into E. coli bacteria.
Advances in technology have made it possible to develop a hand-held breath test for a wide range of toxic chemicals.
PREVENTIVE HEALTH - Vitamin D and ethnicity, a breath test for toxins, drinking and the immune system, measuring pain in the brain, and a new weapon to combat allergic reactions.
The specialized leaves of carnivorous pitcher plants are inspiring the next generation of super-slick materials.
African-American men living in high latitudes are often deficient in Vitamin D.
HORMONES & BEHAVIOR - Testosterone and fatherhood, the genetics of oxytocin and depression, gender and spatial reasoning revisited, where taste is found in the brain, and more.
Stem cell research could help bring drill monkeys and northern white rhinos back from the brink of extinction.
PLANETS & PATHOGENS - Gardening for Mars, the darkest planet, a parasite that turns rats against themselves, telling the viruses from the bacteria, and the link between caffeine and skin cancer prevention.
Caffeine may protect against skin cancer by inhibiting an enzyme that cancer cells need.
Misinformation about vaccine safety may be contributing to a surge in measles infections.
MARVELS OF EVOLUTION - A prehistoric pregnancy clears up a Mesozoic mystery. The economics of plant-fungi cooperation. How to get six butterflies in one. Counting up the species on earth. And how your stress could be bad news for your mate if you're a finch.