Point, counterpoint Researchers continue to debate whether a rock from Mars contains tiny fossils of primitive bacteria. No 'nanofossils' in Martian meteorite. K. Thomas-Keprta, and H. Vali. 1997. Searching for life in a Martian meteorite . Leckman, J.F. 1997.
Hyperactivity grows into adult problems.
A pilot study suggests that magnetic stimulation of the brain improves the mood of people suffering from major depression. The North American bullfrog uses its ears as amplifiers to broadcast its commanding croak. Tympanic sound radiation in the bullfrog Rana catesbeiana. Rand, A.S., and R. Dudley. The anuran vocal sac is not a cavity resonator.