Test your observation skills with this fun brain teaser! Can you spot the odd item in a science lab scene in just 8 seconds?

Human Behavior Arts & Entertainment Live Science crossword puzzle #5: Substance with a pH value less than 7 — 2 down ...

Chalmers was right. Consciousness is a hard problem. It may mark the limits of what science can explain. This is a work in progress. A version of this post also appears in The Globe and Mail.

“ [I]t appears that crossword-puzzle percolation comprises a new type of universal behavior,” he writes. This means Hartmann’s new formula is unique among all other known percolation problems.

The evolutionary success of our species may have hinged on minute changes to our brain biochemistry after we diverged from ...

What processes provide energy to the solar wind as it travels away from the Sun and throughout the solar system? This is what a recent study published in Science hopes to address as an international ...