What goes into the formation of an icicle?
Arguing can be good for you, apparently.
Tried to see the Perseids meteor shower on Thursday night, but down here light pollution makes it really difficult. National Geographic has some great shots for those in my situation.
There’s an indication that Australopithecus afarensis used tools to eat meat far earlier than scientists once believed.
Seems there is such a thing as a thinking cap that can improve your visual memory.