I have you loud and clear.

Hello.

Welcome.

Science and that is the

physics, medicine, nature, or space, time, the brain, life, the universe.

This week, maths, love it or loavit, it's everywhere from bees to aliens, so we'll be taking a closer look at the language of the universe.

Plus how getting a good night's sleep can help with chronic pain.

Our electronic personal assistance is going to take over the world and lava in space. I'm Tom Crawford.

I'm Georgia Mills and this is the Naked Scientists.

The Naked Scientists podcast is powered by UKfast.co.

UK.

First, back in September 2015, a new species of early human homeledi was announced to the world.

The remains were found in the aptly named Cradle of Life area of South Africa in the Rising Star Cave system and they change the way

that we think about human evolution. Now another cave has been discovered and

new analysis of the skeletons within has shed light on what Homer and Lettie looked like

and where they fit into the timeline of evolution. I spoke to the Lee researchers.

I'm Professor Lee Berger. I'm a research professor at the University of at Vatvaterstrand in Johannesburg, South Africa

and Explorer in residence at the National Geographic.

We've discovered first a new chamber with more Homo N naledi, about a hundred meters from the original chamber, it's

called the Lissetti chamber.

It's got multiple individuals in it including a partial skeleton of hom Noletti and adult male we've called

Naeo, which means gift by the way, it's not after the Matrix character.

...