Paramecia adapt their swimming to changing gravitational force
...ically. In high gravity, the organisms swam upward mightily to maintain their place in the water column. In zero gravity, they swam up and down equally. And in reverse gravity, they dove for where the sediments ought to be. "If you want to make something float more," said Valles, "you put it in a fluid and y...Wisconsin scientists find a way to make human collagen in the lab
...e efforts of biomedical researchers who have tried mightily to synthesize it for use in applications ranging from new wound-healing technologies to alleviating arthritis. The reason: Scientists were unable to synthesize the human protein because they had no way to link the easily made short snippets of collag...