Marcelo Gleiser
Theoretical Physicist
Marcelo Gleiser is a professor of natural philosophy, physics, and astronomy at Dartmouth College. He is a Fellow of the American Physical Society, a recipient of the Presidential Faculty Fellows Award from the White House and NSF, and was awarded the 2019 Templeton Prize. Gleiser has authored five books and is the co-founder of 13.8, where he writes about science and culture with physicist Adam Frank.

No such thing as “now”
The present? Blink and you'll miss it. And other musings on time.
Have aliens been here?
Scientists are highly skeptical, but such “cosmic wanderlust" isn't a bad thing.
What’s the deal with free will?
Some experts say there's no such thing. I choose to believe there likely is.
I think, therefore I am. I think.
Digging deeper into the mystery of the brain, soul, and consciousness.
The future Is now
Your new year's resolutions should benefit not just yourself, but the whole planet.
Chasing the star of Bethlehem
Was it a real thing? And the Wise Men? Or are they just myths?
In search of other life
The Mars landing is a reminder that we never know what—or whom—we might discover out there.
The cosmos for millennials
A new book tells the very old story in a fun way for a younger generation.
In the beginning . . . what?
To explain the origin of everything, science needs to explain itself.
Fear of the future: A world gone M.A.D.
Are we standing on the brink of Mutually Assured Destruction?
Paranormal activity: A personal story
Some things in life just can't be explained. And that's okay.
Peering deeper into the cosmos
Multi-messenger astronomy further widens our window to the universe.
The beauty of the unknowably imperfect
Fundamental physics must reconsider its current path and value system.
Theoretical physics: Bad science?
Sabine Hossenfeder has some problems with how it's practiced today.
▸
with
Meet the parents. All 3 of them.
Thanks to genetic engineering, a child can now have three parents. But is it a good idea?
The myth of the mad scientist
Most of us show humility in the face of Nature as we flirt with the unknown.