Dr. Universe: How do bugs walk on water? -Annelise W., 6, Seattle, WA
The other day I was out ice skating when I started thinking about your question. Water strider bugs skitter across ponds almost as if they were skating on ice. » More …
Dr. Universe: How did the first drop of water ever happen on Earth?
-Ash, 6, SeaTac, WA
We’ve learned a lot about how water supports life on the blue planet, but the first drop is a bit mysterious. Scientists have a few theories about how it happened. » More …