Tunguska blast still a mystery 100 years onmore similar news »
It produced a blast hundreds of times stronger than the Hiroshima bomb, was seen hundreds of miles away and narrowly missed obliterating an entire city -- but 100 years to the week after the mysterious explosion in Siberia, no one is any closer to understanding what caused it.
Stealing ideas from naturemore similar news »
When self-confessed "nature nerd" Janine Benyus coined the term "biomimicry" in a book she published a decade ago, little did she know it would make her a household name, rubbing shoulders with Hollywood stars.
