Science

Why have the giant insects?

Why have the giant insects?

I Imagine a world populated by giant dragonflies with wingspans of up to 70 centimeters world. It is not science fiction. About 300 million years ago, the late Carboniferous and early Permian period, the insects reached their larger sizes. A ...

Analyzing dust from the asteroid Itokawa

Analyzing dust from the asteroid Itokawa

The Aerospace Exploration Agency of Japan has collected and classified particles from samples collected in space instrumentation module Hayabusa asteroid exploration. After the observations with scanning electron microscopy and analysis of the collected samples, about 1,500 have been identified as ...

A NASA plane harvest stardust

A NASA plane harvest stardust

Scientific aircraft ER-2 high-altitude NASA has just returned to Earth after completing three flights of eight hours dedicated to collecting cosmic dust generated during the meteor shower of the Perseids. The samples collected will provide information on the origin and ...