Archive for January, 2008

Dinosaurs Mature Sexually In The Teen Years

Researchers have discovered that big dinosaurs, like humans, reach sexual maturity during the growth spurts of adolescence. The reproductive strategy of dinosaurs was unlike that of their reptilian ancestors or their bird descendants, the study concludes. “They are growing really fast and yet maturing early,” said Sarah Werning, a graduate student in paleontology and integrative biology at the University of California, Berkeley.

Aphids

Aphids are insects that feed off of plants making them a hazard to farmers and forests. Aphids use stylets – sucking mouthparts – to eat with. They have long and thin legs, are two jointed, a two-clawed tarsi, and usually a pair of cornicles, abdominal tubes through which a waxy secretion is exuded.