Will Chalk

Then the Prime Minister resigns.

Shriyam's mother again.

for them it was just a student who died for us the world we knew has fallen apart an official inquiry into the violence is yet to report its findings no one has been held accountable for these deaths sabina shrestha

Now, hear the words one-eyed cyclops, and you're probably thinking horror or sci-fi film, not important human ancestor.

But a new study suggests our eyes evolved from these creatures, and we share these roots with all other vertebrates.

The BBC science presenter Marnie Chesterton has been looking over the research.

You need three things for an eye.

You need some molecule that detects light.

You need some sort of cup shape that allows you to sense direction of light.

When this all started, what we descended from, or rather the origin of the eye, was very primitive.

They actually, a more complex version came down from that one ancestral eye.

Marnie Chesterton.

Now, if you're a fan of classical music, you'll know that a conductor does a lot more than just keep an orchestra in time.

Their gestures and facial expressions also help shape the dynamics, phrasing and emotions of the piece.

So not that easy for a robot to replicate, you might think.

Well, it's something that's been put to the test at Denmark's National Symphony Orchestra as part of a series of concerts exploring the boundaries between human and machine.

This report from Alice Adderley.

Picture the scene in a Copenhagen concert hall.

A silver humanoid form moves its robotic arms rhythmically up and down and the musicians follow it until it abruptly brings them down and the music stops.

At a rehearsal before Wednesday evening's performance, members of the orchestra praised its capacity to keep the rhythm absolutely precise, but said it lacked other qualities.