Scientists are rethinking the evolution of vocal learning in birds. New Zealand s smallest bird, the rifleman or titipounamu, may have a rudimentary version of the talent possessed by parrots, hummingbirds and songbirds.
Kumamoto University researchers have developed a novel viral reporter system named HIV-Tocky (Timer of Cell Kinetics and Activity). This innovative system allows for real-time visualization of HIV dynamics post-viral infection.
Millions of years ago, in the Miocene Epoch (23 to 5.3 million years ago), about 100 species of apes roamed Europe, Asia, and Africa. Just a few million