We don’t have fireflies in the Bay Area, but we do have glowworms. What are they and why the heck do they light up?
Q: Rumor has it there might have been a waterfall at the Golden Gate during the last ice age, when sea level was at its lowest. Is there any evidence for this? [Cisco, Oakland] A: Well, there is no incontrovertible … Read more
Q: I recently saw a video of a cloud of birds moving in wild patterns. Then I saw shorebirds doing the same thing. Why do birds do this–other than because they can? [Michael, El Cerrito] A: There are several kinds … Read more
Can a pelican really hold a week’s worth of food in its bill?
The quicksand won’t get you, but the quakes might.
Which bird that migrates to or through the Bay Area travels the farthest to get here from its breeding grounds?
Watch out for these unusual creatures next time you’re walking in a wet forest.
Why is this bird attacking my windows?
Q: How does photosynthesis occur in plants that are not obviously green, such as ornamental plum trees with deep purple-colored leaves? [Paul, Santa Cruz] A: Photosynthesis (which literally means “light put together”) is that very elegant chemical process that jump-started … Read more
What causes dragonflies to take flight in swarms of thousands or millions?