Science
Energy
At the bottom of the lake
Methane in hydroelectric power stations can generate further energy
By Yuri Vasconcelos and Redação
Astronomy
The Sun that protects us
Study identifies a type of magnetic bubble that surrounds our Solar System
Water resources
The risk of scarcity
Researchers from six countries are working on new technologies to manage water
Deforestation
Slow convalescence
Seventy years is the minimum amount of time needed to restore forest biomass
Dissemination
The origin of the controversy
São Paulo exhibition shows Darwin's path to the theory of evolution
Archeology
Fragments of the past
Amazon housed vast and complex communities before the Europeans arrived
climate change
Technology versus global warming
Brazil takes the lead with ethanol, biodiesel and direct planting
Public policy
Predictions for the forest
Models show that part of the Amazon is going to turn into savannah
Physiology
Interrupted nights
Inflammation blocks the hormone that tells the body that it's time to sleep
Physics
Moving sculptures
Computer simulations explain how the giant dunes on Mars emerge and evolve
Genetics
The DNA of the Pampas (grassy plains)
Guarani and Charrua Indians are among the Gaucho's ancestors
Biochemistry
Another use
A new mechanism through which vitamin C combats free radicals is identified
Mathematics
Creativity in chaos
An award reveals successes in the building of an theory about dynamic systems
Genetics
From slave to master
RNA molecule takes over the place of DNA as a promise for fighting diseases