Flex your math muscles with this weekend’s brain teaser. Play now.

Anyone who is capable of seeing the moon (or the sun) near the horizon has experienced this effect. The moon looks enormous ...

Phone apps can tell whether your kid is playing hooky. But remotely surveilling your child might not be great for navigating ...

During the summer, leaves appear green because the predominant pigment of photosynthesis, called chlorophyll, reflects green ...

Pediatric long COVID is more common than many thought, and we keep letting kids be reinfected with new variants ...

Blake Murdoch is a health policy academic, bioethicist, lawyer and science communicator at the University of Alberta’s Health ...