"But surely you don't think that some total unknown would have come up with a big scientific breakthrough?"

We both know that any major scientific breakthrough takes time.

I love reporting on scientific breakthroughs that we've all been waiting for!

But the spending in California could produce scientific breakthroughs that will eventually force government policy to change.

What could Hayes have meant when he said he'd made a major scientific breakthrough?

"Is there any chance this mapping could have led to a major scientific breakthrough?"

He was notoriously at the scene of every major scientific breakthrough.

Here, we cover Science magazine's top scientific breakthroughs of 2007.

We know that there have also been some major scientific breakthroughs.

Tell us about the greatest scientific breakthrough of our time.