Scientist Quotes

Water-based life is very much an Earth-centric view, and we can push the envelope on that here in our own solar system. We have the methane seas of Titan.
We actually look to the scientific community to kind of come back to NASA and tell us what the priorities should be. And then at NASA, we try to look within our budget and say, 'What can we accommodate, and what are the most important things for the nation?'
We have to ask, 'How can we break a huge challenge like sending humans to Mars into a series of doable, affordable steps? How can we break that problem down into chunks in order to keep making progress?'
We like to talk about pioneering Mars rather than just exploring Mars, because once we get to Mars, we will set up some sort of permanent presence.
We want to make sure we get living astronauts to the surface of Mars.
We're going to understand that there is life on other bodies in the solar system.
We're not going to get humans to Mars until at least the mid-2030s, and the world is going to change by then.
What we expect to find, certainly in our own solar system, are probably simple single or multiple-cell forms of life. To get to intelligent life takes stability of conditions over huge, long periods of time.
When we go to explore, we do it as a globe.
When you look at Venus and the Earth, they formed at about the same place in the solar system. They're made of about the same materials; they're about the same size.
With the mission to Mars, the whole world wants to get involved. So we actually have 13 different space agencies from around the world working on the global exploration road map.
You see countries like India really investing in their space program because they see it as inspirational and good for their economy.
I don't get how it's okay to keep someone alive once they're sick - but not okay to stop them getting sick. I just don't get that.
I think if we can prevent a fatal disease, we should.
Ageing is so many different things, and cells being able to self-renew is part of the picture but not all of it.
As maize became important for human food worldwide, modern agricultural research on maize breeding continued the corn breeding begun thousands of years ago in the Central American highlands.
At Cambridge, there was a completely unintimidating culture, and there were no class divisions among the students.
Basically, when you look at different types of cells, such as fibroblasts, which form connective tissue, or epithelial cells, from saliva, you see general correlations within a person. If telomeres are up for one cell type, they're up for others overall.
Being senior enough in the field, having enough solidity, I don't feel afraid of being marginalized.
Biology sometimes reveals its fundamental principles through what may seem at first to be arcane and bizarre.
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