Videos

Video

How does the Amazon control Earth’s climate?

Physicist Paulo Artaxo, from USP, explains the Amazonian rainforest’s role in the water and carbon cycles in Brazil as well as globally

Video

Characterizing ecosystems through sound

Acoustic information portrays environments and set natural changes apart from those caused by human action | 7'46"

Video

Fasting induces growth hormone to stimulate hunger

Researchers comment on their discovery that fasting makes growth hormone activate neurones which stimulate hunger