The same amino acid can be encoded by anywhere from one to six different strings of letters in the genetic code. Andrzej Wojcicki/Science Photo Library via Getty Images

Your genetic code has lots of ‘words’ for the same thing – information theory may help explain the redundancies

Many of the amino acids that make up proteins are encoded by genetic material in more than one way. An information theorist explains how principles of nature may account for this variance.
What makes a brain tick is very different from how computers operate. Yurchanka Siarhei/Shutterstock.com

Why a computer will never be truly conscious

Brain functions integrate and compress multiple components of an experience, including sight and smell – which simply can’t be handled in the way computers sense, process and store data.
A professor teaches an online class with students from around the world. AP Photo/Gretchen Ertl

Universities must prepare for a technology‑enabled future

Artificial intelligence and automation are bringing changes to higher education that will challenge, and may even threaten, traditional universities.
What’s the link between technology and consciousness? AlexLMX/Shutterstock.com

Will artificial intelligence become conscious?

Researchers’ views depend in part on what technology is (or will be) capable of – and in part on what consciousness actually is.

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