Turn back the molecular clock, say Argentina's plant fossils

Molecular clocks—based on changes in genetic material—indicate much younger ages for a wide variety of plants found as fossils in southern Argentina than do the solid, geologic dates of those fossils, according to geoscientists ...

Iconic Australasian trees found as fossils in South America

Today in Australia they call it Kauri, in Asia they call it Dammar, and in South America it does not exist at all unless planted there; but 52 million years ago the giant coniferous evergreen tree known to botanists as Agathis ...

Reconstructing the New World monkey family tree

When monkeys landed in South America 37 or more million years ago, the long-isolated continent already teemed with a menagerie of 30-foot snakes, giant armadillos and strange, hoofed mammals. Over time, the monkeys forged ...

Eggs of enigmatic dinosaur discovered

(Phys.org) -- An Argentine-Swedish research team has reported a 70 million years old pocket of fossilized bones and unique eggs of an enigmatic birdlike dinosaur in Patagonia.

Massive hydroelectric project faces test in Chile

A $3.2 billion hydroelectric project billed as key to satisfying Chile's growing energy needs faces a major hurdle Monday as an environmental panel decides whether or not to give it the green light.

Scientists reveal the mystery about the origin of gold

An international group of scientists, with the participation of the University of Granada (UGR), has shed new light on the origin of gold, one of the most intriguing mysteries for the scientific community.

page 2 from 3