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What Is the Nature of Consciousness?

May 31, 2023

Consciousness, our experience of being in the world, is one of the mind’s greatest mysteries, but as the neuroscientist Anil Seth explains to Steven Strogatz, research is making progress in understanding this elusive phenomenon.

Data Compression Drives the Internet. Here’s How It Works.

May 31, 2023

One student’s desire to get out of a final exam led to the ubiquitous algorithm that shrinks data without sacrificing information.

How 3D Changes in the Genome Turned Sharks Into Skates

May 30, 2023

Changes in the 3D structure of their genome gave skates and rays their distinctive winglike fins and pancake flatness.

Q&A

The Physicist Who Glues Together Universes

May 25, 2023

Renate Loll has helped pioneer a radically new approach to quantum gravity. She assumes that the fabric of space-time is a blend of all possible fabrics, and she has developed the computational tools needed to calculate the far-reaching implications of that assumption.

Is It Real or Imagined? How Your Brain Tells the Difference.

May 24, 2023

New experiments show that the brain distinguishes between perceived and imagined mental images by checking whether they cross a “reality threshold.”

Math Patterns That Go On Forever but Never Repeat

May 23, 2023

Simple math can help explain the complexities of the newly discovered aperiodic monotile.

Some Neural Networks Learn Language Like Humans

May 22, 2023

Researchers uncover striking parallels in the ways that humans and machine learning models acquire language skills.

Secret Messages Can Hide in AI-Generated Media

May 18, 2023

In steganography, an ordinary message masks the presence of a secret communication. Humans can never do it perfectly, but a new study shows it’s possible for machines.

Are There Reasons to Believe in a Multiverse?

May 17, 2023

Several areas of physics suggest reasons to think that unobservable universes with different natural laws could lie beyond ours. The theoretical physicist David Kaplan talks with Steven Strogatz about the mysteries that a multiverse would solve.

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