How does evolution help to explain lactose intolerance? We are born with the ability to process lactose. In this regard, humans are just like any other lactating mammal
Darwin struggled with questions about mechanisms driving evolution and how they played out in the living, messy, world of nature.
A hydra is a freshwater microscopic organism that can grow to almost half an inch long. It is tubular and at one end several tentacles stick out from the head much like the hair on the infamous Greek goddess, hence the name.
“…any time there are humans involved in research, be suspicious. If human scientists are doing research on human subjects then take your suspicions to the power of 27. It’s a crapshoot at best.”
I learned that ‘zero gravity’ doesn’t mean that you float but that you assume the position of one floating in zero gravity.