Drupe, a fleshy fruit that develops from a single ovary and contains one or more seeds enclosed within a hard pit, or stone, in the fruit's center. s.The almond is an example of a drupe.
The man who had some theories about relativity was also an eccentric who gleefully eschewed socks, dodged German military service and spurned social conventions.
Scientists announced the discovery of the largest known planet in the universe. TrES-4 has a density similar to balsa wood, and some say this gas giant could float on water. Learn why this planet is so puzzling and how planet hunters make amazing discoveries like these.