Is a Daddy Long Legs a Spider?
The Question: We were wondering if a daddy long legs is a true spider? Submitted by: Gretchen, USA The Short Answer: Most likely the answer is “no.” But I’d need to know exactly what you are calling a...
Read MoreMonth: November 2010
Which Cells Are Never Replaced?
The Question: Which cells in the human body are never replaced? Submitted by: Salha The Short Answer: So far, the only cell type that we can confidently say is never replaced is cerebral cortex neurons. Check out my posting a...
Read MoreWhat is this Fluorescent Green Beetle?
The Question: I found a beetle near Danville, Ohio that I have not been able to identify. It’s florescent green, with two spots on each wing, large black eyes, and a white “mouth” protrusion with black...
Read MoreHow Do Electric Eels Generate Electricity?
The Question: How does an electric eel generate electricity? Submitted by: Leland P., Vermont, USA The Short Answer: The cells of all living things generate electrical charges. In an electric eel (Electrophorus electricus),...
Read MoreWhat are these caterpillars doing?
The Question: I was at a garden on the island of Martha’s Vineyard (Massachusetts) in July and saw a chain of caterpillars coming down from a tree. The chain was probably about 15-20 feet long. Most of it was single file,...
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