public marks

PUBLIC MARKS from shankargallery with tags Varanasi & evolution

06 February 2007

Avian Flight

The earliest known bird is Archaeopteryx. The most diverse group of flyers ever to evolve are the birds (the clade Aves). Birds show a marvelous diversity not only of species but of flight adaptations. Compare the hummingbird with the albatross, and you'l

01 February 2007

Cavern may hold answers to hobbits riddle | Science & nature | The Australian

THE chance discovery of an enormous chamber beneath the Indonesian cave where hobbit-like creatures were discovered promises to settle the debate about who - or what - the tiny creatures were.

24 January 2007