Spider Bites
Family in house with thousands of brown recluse spiders, no bites
Clone Fingerprints
Will clones have the same fingerprints as the person they're cloned from? (no, development in unique conditions of womb also involved in fingerprint design)
Singing Frogs
Frogs can change the pitch/timing of their beeps to take advantage of reverb
Food and Mood
Lowering tryptophan causes mood depression, boosting empty calories raises students' test scores, and caffeine is not what raises blood pressure
Tree of Life
The National Science Foundation (NSF) is funding a program to assemble the tree of life.
Wasp Faces
Wasps can tell each other apart by the unique markings on their face.
Folds and Scrolls
Using home computers to determine the structure of a protein, a 2,200-year-old scroll stuffed in a mummy
Nectarines
What the heck is a nectarine? (A mutant peach that doesn't have fuzzy skin)
Voracious Voles
Voles can chew up rabbitbrush, making room for native grasses to return to Southwest
Feather Analysis
Analyzing the chemical isotopes in feathers to track bird migration
No-Cal Sugar
How can sucralose be made of sugar and not have any calories? (Tongue recognizes it, but not receptors in the gut.)
Mosquito Bites
How does a mosquito know that it's biting a human? (Senses carbon dioxide and other chemicals)
Eye Size
Does the eye get bigger as we get older? (yes, but it's already 65 percent of adult size at birth)
Fish Stories Roundup
Genome of the pufferfish, estrogens in water, and shark liver weight loss drug
Tadpole Shape Shifters
Mallorcan midwife toad tadpoles change their shape in the presence of snakes.