In this issue

LIFE IN THE MULTIVERSE | Computer simulations involving dark energy suggest our Universe may not be as unique as we once thought...

According to the multiverse theory, life arose in our Universe thanks to the amount of dark energy being just right. The theory states that if the amount of dark energy in a universe is too large, it causes such a rapid expansion that it prevents any stars, planets or life from forming, If it is too small, then the universe collapses again before anything interesting forms. Dark energy is the mysterious force that is accelerating the expansion of the Universe that started with the Big Bang.

“Elephants Actually Have A Whole Range Of Different Vocalisations”

Making noises through their trunks isn’t the only way elephants communicate. Dr Beth Mortimer of Oxford University reveals their secret language.

2 mins

What Will It Take For Us To Travel Through Time?

In 1915 in Berlin, at the height of WWI, Albert Einstein presented a revolutionary new theory of gravity – the General Theory of Relativity. It has since become one of the most successful theories ever, passing every observational test thrown at it and predicating cosmological phenomena such as the Big Bang, black holes and gravitational waves. But the theory has also given scientists sleepless nights because it makes one thing pretty much unavoidable: time machines…

8 mins

A New Dawn For Redonda

Removing goats and rats from a remote Caribbean island involved abseiling, catapults and nappies, as Jenny Daltry reveals.

7 mins

A Bite-Sized History Of Dentistry

Humanity’s long quest for a pearly white smile has produced everything from jewelled Maya tooth implants to ivory dentures given as a wedding present. Emily Scott-Dearing introduces Charlotte Hodgman to seven of the most fascinating objects from an exhibition on the history of teeth at the Wellcome Collection museum in the UK.

5 mins

The Immortal Viking

He butchered serpents, pillaged on an epic scale, laughed in the face of death – and, in doing so, helped forge the modern ideal of the archetypal Viking warrior. Eleanor Parker tells the story of the ultimate Norse legend: Ragnar Lothbrok.

7 mins

Do You know What It's Like To Live with Autism!

Tim Webb’s film A Is For Autism delivered a touching insight into what life is like for people with the condition. Now, a new wristwatch that scans biometric data might open another window into it.

7 mins

Read all stories from BBC Earth

BBC Earth Magazine Description:

A bi-monthly publication containing a feast of information for the curious mind. Every issue is packed with fascinating images, thought-provoking and entertaining articles about the world around us, the natural life that populates it, the history that has shaped our existence upon it, and the science that has driven it and continues to propel us into the future.