Science
Geology
The Earth covered with ice
Some 630 million years ago, the Amazon was a desert lying below an icecap
Medicine
The first signs of alert
Gene action sheds light on the origin and indicates the evolution of tumors
Neurology
To occupy, resist and conquer
A team from Minas Gerais State observes how prions infect neurons
Genomics
Fascinating and terrifying
Scientists detail the strategies for the survival of three parasites
Climatology
The map of the winds
Air currents lead humidity or smoke from the Amazon to the Prata basin
Physiology
The chemistry of acupuncture
Acupuncture combat gastric ulcer and improve sleeping quality
Paleontology
The mastodon and the macrauchenia
Dating the teeth helps in the reconstruction of the Northeast's megafauna