number of breaks: 20
Are planets with oxygen-rich atmospheres rare?
Complex life on Earth requires oxygen. Understanding how oxygen levels have evolved on our planet can provide an insight into our own evolution and the possibility of complex life evolving elsewhere. Current theories suggest that Earth's O2 levels have risen three times over its 4.5... click to read more
Probing the evolution of photosynthetic life on the early Earth
In a famous cartoon, a fish morphs slowly into a human as it forsakes water for dry land. With sly humor, this doodle actually captures a pervasive narrative of evolutionary history: the oceans are life's cradle, with life gaining the continents only later. Seemingly, the... click to read more
Did Homo naledi meet Homo sapiens in South Africa?
Our research team has determined the age of Homo naledi, a new species of hominin (human ancestor), from the Rising Star Cave in The Cradle of Humankind World Heritage Site, South Africa. We have also announced the discovery of a second chamber (the Lesedi Chamber)... click to read more
Moby, can you hear me whale?
Under the name "whale" lies an important diversity of aquatic mammals. Usually, scientists divide them into three groups. "Baleen whales", also called whales with mustache, is an extant group including the humpback whales and the largest animals that ever lived on earth, the blue whales.... click to read more
How cats conquered the Ancient world: a 9,000-years DNA tale
When animals became domesticated, they gained protection from starvation, predation and disease but lost freedom. This is very well exemplified with the dog, the first animal that had been domesticated and that is very different from its ancestor, the wolf, in terms of behavior, morphology... click to read more