Acompanhe as Notícias da Recifes

When social media arrived on the scene, there were high hopes that they would improve—or even "democratize"—communication about climate change by, for instance, lowering access barriers, creating a more direct channel between science and the public, and giving more voices from ci

Two research teams have independently created devices within which sound waves could be separated by frequency, creating the most complete sound rainbows yet.

Researchers say warming temperatures are altering malaria transmission patterns across Africa, creating new challenges for health systems and disease control.

Every year, more than 120,000 newborns worldwide contract HIV, creating a global health burden that requires lifelong treatment for millions of people—assuming they have access and can afford it. New research led by Oregon Health & Science University suggests another possibility:

It is easy to understand why Arsenal have signed Bruno Guimaraes. The now ex-Newcastle captain is one of the Premier League's most complete midfielders, capable of dominating and destroying but also scoring and creating, with passing ability to match his physicality.

This is The Stepback, a weekly newsletter breaking down one essential story from the tech world. For more news about how AI is changing our daily lives, follow Emma Roth. The Stepback arrives in our subscribers' inboxes at 8AM ET. Opt in for The Stepback here. How it started Long

Oxygen provides the driving force for many vital chemical reactions. Two well-known examples include respiration, the process that allows living things to break down food to release its energy, and combustion, reactions that produce heat and light. But oxygen has an unusual elect