Toxins love to get you while you're young. Lead mercury secondhand smoke and sundry other environmental nasties do a lot more damage when tissue is immature vulnerable and growing than when it's mature and comparatively fixed.

The style of ancient Egyptian art is transcendently clear something 8-year-olds can recognize in an instant. Its consistency and codification is one of the most epic visual journeys in all art one that lasts 30 dynasties spread over 3 000 years.