Human brains have mixture of male and female traits but people have 'mosaics' of both.
Foreign Secretary Philip Hammond said African's economic growth depends on a COP21 agreement
Why is the made-up word 'snunkoople' funny? It's all about entropy, apparently.
Residents have been warned to stay indoors as pollution soars beyond safe levels.
Astronauts aboard ISS to receive Microsoft HoloLenses as part of Nasa's latest resupply mission.
Saltwater crocodile photographed throwing smaller rival around before eating it.
Fake ads in Paris are highlighting the links between consumerism, fossil fuel dependency and climate change.
Strange dog-sized dinosaur discovered shows evolutionary path divergence between ancient continents.
"Human well-being and nature are indivisible"
Let's get to work, US president tells delegates to Paris talks on global warming
Indian leader unveils 'Solar Alliance' of 110 tropical nations at UN climate conference.
Environmentalists have been accusing Japan of hunting whales for food rather than for scientific purposes.
Obama called on leaders to secure an agreement paving the way for regularly updated targets.
Authorities in Chinese capital issued rare "orange" alert over dangerously high levels of smog.
Companies pledge their dedication to the fight against climate change ahead of the Paris summit.
UN Secretary-General's speech at the start of the COP21 Paris negotiations
We could try to bring the northern white rhino back from near extinction - but should we?
French President welcomes heads of states from 147 countries to Le Bourget conference centre.
At least 50,000 people marched through London in what was the UK's largest ever climate change demonstration.
World leaders attend the opening day of the Paris climate change negotiations.
Besides holding on to coal, India will also insist on 'climate justice' and more climate funding.
COP21 is expected to be a historic meet in over 20 years of UN negotiations.
The US, UK, China and India to double budget for clean energy development over next five years.
Sunday's protest is the largest climate march ever to take place in the UK
Reports indicate that police fired tear gas at a climate change demonstration in the Place de la Republique.
Leaders of Labour and Green parties address thousands on the streets of London ahead of the Paris climate talks.
89-year-old broadcaster says that if we can land people on the moon, we can solve climate change.
People of Paris find unique ways to voice their concerns about climate change, after marches were banned.
More than 2,000 marches and other events are taking place across the globe.
Britain will be battered by 70mph winds as Storm Clodagh arrives on Sunday.