What makes the green stain on your jeans?
Uh...grass? Yes, but what makes the grass green? The answer is chlorophyll.
Articles tagged with: Light
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What percentage of animals in the open ocean make light?
80 to 90 percent of animals living in the ocean make light. Most live in the twilight zone.
How fast is the speed of light?
It’s 299,792,458 meters/second (or 186,000 miles/second). It’s sometimes called the "universal speed limit".
A quick weekly message with the latests science Q&A's. Fun to read and share.
