When I moved from the East Coast to the Rocky Mountains years ago, I simply did not understand how to layer for warmth. I wore cotton long sleeve tees and was toasty when I stepped outside, but felt ...

The epidermis protects the body from ultraviolet radiation and prevents water loss. The dermis contains glands that produce oil and sweat, helping regulate temperature and skin health. The hypodermis, ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Hans Daniel Jasperson has over a decade of experience in public policy research, with an ...

CLOSED: The museum is closed for the holidays and will re-open on January 5, 2026. Have a safe and restful break.