Will AI Enable the Third Stage of Life on Earth?
In an excerpt from his new book, an MIT physicist explores the next stage of human evolution
Stories by Max Tegmark
Why 3,000 Scientists Think Nuclear Arsenals Make Us Less Safe
Despite what you hear in the news, an atomic war between the superpowers is still the biggest threat
BICEP2 Makes Waves in Cosmology: Now What?
The shock waves are still reverberating from BICEP2's bombshell announcement that they've discovered the holy grail of cosmology: the telltale signature of gravitational waves from inflation.
Are Parallel Universes Unscientific Nonsense? Insider Tips for Criticizing the Multiverse
Although we dont know whether parallel universes exist, we know something else about them with certainty: many people instinctively dislike them, and whenever a physicist writes a book about them, the Web erupts with claims that they are unscientific nonsense.
![Is the Universe Made of Math? [Excerpt]](https://static.scientificamerican.com/sciam/cache/file/9E55C47F-1079-47FE-87574BE6A86D2439_agenda.jpg?w=275&h=154&fit=crop)
Is the Universe Made of Math? [Excerpt]
In this excerpt from his new book, Our Mathematical Universe, M.I.T. professor Max Tegmark explores the possibility that math does not just describe the universe, but makes the universe
The Case for Parallel Universes
Why the multiverse, crazy as it sounds, is a solid scientific idea
Parallel Universes
Not just a staple of science fiction, other universes are a direct implication of cosmological observations
100 Years of Quantum Mysteries
As quantum theory celebrates its 100th birthday, spectacular successes are mixed with persistent puzzles
