Latest Michael Nickel Stories
Zoologists of the University Jena (Germany) are on the trail of the evolution of body contractions All animals move "“ cheetahs faster, snails more slowly. Muscle contractions are the basis of all movements, at least according to general opinion. But there are animal groups, that don't have any muscles at all, as they branched off from the evolutionary path before muscle cells evolved. However these animal groups, for instance the sea sponges, are not immovable. Sponges are able to...
- A spider.
- Figuratively, a peevish, testy, ill-natured person.