Garbage floats in the polluted Cunha canal which flows into the notoriously polluted Guanabara Bay, site of sailing events for the Rio 2016 Olympic Games. The Rio government promised to clean 80 percent of pollution and waste from the bay in time for the games but admits that goal now is unlikely to be reached. Photo: Getty Images

Sailors and other athletes preparing for the Olympics have been training for months in contaminated waters where the Rio Games will be held. Many beli(...)

Malaria infects around 200 million people a year and killed an estimated 584,000 people in 2013, the vast majority of them babies in sub-Saharan Africa. Photograph: AP Photo/Karel Prinsloo

The world’s first malaria vaccine got a green light on Friday from European drugs regulators who recommended it as safe and effective to use in babies(...)

“I’ve starred in a lot of science fiction movies and, let me tell you something, climate change is not science fiction, this is a battle in the real world, it is impacting us right now.” Photograph: Ken Ishii/Getty Images for Paramount Pictures International

Arnold Schwarzenegger has been chosen by the French government to join Nobel prizewinners, philosophers, UN secretary generals, spiritual leaders and (...)

A photograph of my 1966 Leaving Cert class shows 17 young women, aged 16 to 18 years, all of normal weight. The majority are on the thin side. Chests (...)

Health workers in Liberia where a second case of ebola has been reported.

Liberia has confirmed a second case of Ebola just a day after authorities said they had detected a new case of the deadly virus previously thought (...)

Hans Jørgen Wiberg, inventor of Be My Eyes. Be My Eyes that connects blind people with volunteer helpers from around the world via live video chat Photograph: Thelle Kristensen

A Danish nonprofit startup has combined the humble video call with an army of volunteers who can see clearly. The result is an app that enables visual(...)

UN secretary-general Ban Ki-moon said the truce, called to mark the start of the Muslim holy month of Ramadan later this week, should last for at least two weeks to allow life-saving supplies into the country. Photograph: Martial Trezzini/EPA

The UN secretary-general, Ban Ki-moon, launched Yemen peace talks in Geneva on Monday with a call for a humanitarian truce after warplanes from a Saud(...)

“Bayer has been looking to sell this business for several years and management was frustrated by its negative effect on growth and margins,” Alistair Campbell, an analyst at Berenberg said .

Bayer is to sell its diabetes devices unit to Panasonic Healthcare , a joint venture backed by buyout firm KKR, for about €1 billion to leave a busine(...)

Nepalese victims of Saturday’s earthquake lie inside an Indian air force helicopter as they are evacuated from Trishuli Bazar to Kathmandu airport in Nepal. Photograph: AP 1:50

Nepalese officials scrambled on Monday to get aid from the main airport to people left homeless and hungry by a devastating earthquake two days earlie(...)

A weighing scales: ‘I prefer the old weighing scales; it’s so off the mark.’ Photograph: Getty

The weighing scales in my local gym is out by almost two-and-a-half stone. I’m 13st 6lb on it. Happy days. There are two scales in the (...)