Bird Nests
How come birds keep coming back to the same spot to try and build a nest, even though I keep undoing a day's work?Ó (instinct hard-wired into the brain; inexperienced birds)
Cat Antidepressant
Testing an antidepressant drug's ability to calm anxious cats
Animal Menopause
Do any other species go through menopause? (yes, other species, especially mammals, do lose fertility late in life when they live longer than their peers)
Mockingbirds
Why do mockingbirds do those little winglifts? (no one knows-- might be to scare insects out of their hiding places in the grass, as a hello when approaching nest or to scare away predators.
Elephant Signals
How elephant vocalizations travel through the ground, and can be sensed by other elephants as much as 10 miles away
Dogs and Fear
Can dogs really sense fear? (You betcha, they pick up on your nonverbal cues.)
Momma’s Voice
A brain transplant can make a baby chicken respond to the call of a mother quail.
Temperamental Cats
Why do cats sometimes bite when you're petting them? (They get annoyed, but we don't pick up on it.)
Animal Apologies
How animals have their own system for expressing remorse and forgiveness.
Ostrich Hiding
Do ostriches really bury their heads in the sand? (No, they eat off the ground, so they might look like they do.)