What is optogenetics? Trace light-sensitive ion channels from algae to neuroscience, then examine the evidence and limits of the reported visual-recovery case.
How can a diet drink taste sweet with few calories? Learn how small sweetener amounts work, why sweetness differs from energy, and what health studies can show.
What does THC do to your brain? Follow CB1 signalling, memory and coordination, then separate evidence on cannabis risks from claims that go beyond the studies.
What does weed do to your brain? Explain THC and CB1, memory, edibles and tolerance, with limits on animal findings, health risks and observational studies.
Why can a fresh cleaning smell create air pollution? Follow reactions between scent chemicals and indoor ozone, and see what the Purdue test-house study found.
Did a fruit fly brain play Minecraft? Learn what a connectome records, what the viral demonstrations leave out, and why a wiring map is not a working brain.
Can coffee affect deep sleep when you fall asleep easily? Learn what brain-wave studies found, why timing matters, and why the effect differs between people.