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Themed dossiers on a broad range of topics that explain the main technological challenges of our time. They include interviews, stories, portraits and infographics.

Power from thin air

Mobile devices need energy – lots of it. Instead of focussing only on improving battery performance, some scientists are looking at the ambient energy that is all around us.

The power of thought

An amazing project may enable paralysed humans to walk again, with the help of an exoskeleton controlled directly by their thoughts.

Think yourself healthy

The vagus nerve, which connects the brain to various organs, plays an essential role in the mind-body relationship. Can you train it to make you happy?

The shades of grey

The vision of a world in which everyone lives longer and better is attractive – but for societies the changes will be over-whelming. An ethicist and a sociologist discuss the implications.

Life-saving lessons

Linking engineering and medicine has led to better diagnostics, drugs and treatments. But it’s not always easy to collaborate successfully.

Master of fragrances

The exclusive creator of Hermès perfumes Jean-Claude Ellena revisits his brilliant career, revealing a glimpse of his perfumer’s palette.

The connected athlete

Amateurs can now enhance their performance and their health by using wireless devices and biosensors that monitor behaviour, environment and physiology.

Ending the pain

Computer simulations and data analysis can now help prevent injuries, while individual prostheses hasten the recovery process.

The invisible killers

With its horrible symptoms and 80% mortality rate, Ebola fever is especially frightening. The cases in Spain and the U.S. served as a reminder that procedures for strict disinfection, while simple on paper, are less so in practise. Even the Western health system cannot entirely protect us from this virus.

Beating the Superbugs

Antibiotic-resistant bacteria are on the rise, but the pipeline for new drugs is drying up. Researchers are developing new strategies to avoid a resurgence of illnesses that once seemed easy to cure.