You don’t have to be a genius mathematician to have a career in cyber security, but it certainly helps to be a strong mathematician."

Sunspots are hubs of intense magnetic activity and they trigger solar flares that launch charged particles, X-rays, ultraviolet radiation and radio waves at the Earth.

When I was finishing my PhD, I could just see people who were a bit quicker and brighter and smarter than me and I thought, 'well they are the people who are going to make the great discoveries.'

What shocks me is people who have no expertise championing a view that runs counter to the mainstream scientific consensus.

The development of physics, like the development of any science, is a continuous one.

The jury is not in, so we just don't know. But there are very strong indications that wormholes that a human could travel through are forbidden by the laws of physics. That's sad, that's unfortunate, but that's the direction in which things are pointing.

The pen is an instrument of discovery rather than just a recording implement. If you write a letter of resignation or something with an agenda, you're simply using a pen to record what you have thought out.

The most profound change that genetics brings about might not be scientific at all. It might be mental and even spiritual enrichment: a more expansive sense of who we humans are, existentially, and where we came from, and how we fit with other life on earth.