Toothpick crossbow craze has China quivering
Authorities have raided toy shops across China to enforce a ban on a handheld crossbow popular with children that can fire nails and needlesAuthorities have raided toy shops across China to enforce a ban on a handheld crossbow popular with children that can fire nails and needles (AFP Photo/STR) Shanghai (AFP) - Handheld crossbows that can fire out needles and nails are the latest must-have toy in
Why do eggs have so many shapes?
Not all eggs are shaped like a chicken's— now we know why By Sarah Crespi, Jia You Jun. 22, 2017 Every egg rolls a different way. For centuries, scientists wondered why egg shapes are so different from one bird to the next. Now, we think we’ve finally cracked the mystery. To start, we need to know what egg shapes are even possible. Luckily, hobbyists and natural history museums have been collectin
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