Experts

Will vinegar repel bears or harm the environment?

Where can I get emergency medical coverage for international travel?

Is there anything that can be added to water (that is safe) that will lower its freezing temperature?

Do you have any suggestions on camp shoes?

What causes–and how do you prevent–air bubbles from showing up in liquid filled compasses?

Sometimes I smell ammonia in my sweat. What is my body telling me?

Over the years I've hoarded a lot of dehydrated food. Does this stuff ever go bad?

What does the 650-fill or 700-fill label on a down jacket mean?

Does what color your tent is effect whether bears are attracted to it or not?

How long can waterborne parasites survive on the outside of a Lexan bottle?

Will eating match heads containing sulfur keep mosquitoes away?

My wife's hands swell when she hikes. Is she in danger?

How good are the alcohol stoves at high elevations and/or any elevation?

What's the best way to re-attach seam seal tape that is pulling away from waterproof fabric items such as a waterproof stuff sack or tent fly?

Down versus synthetic sleeping bags: What's the deal?

Can I safely purify water inside my CamelBak hydration reservoir?

Do high-blood pressure medications increase my risk of hypothermia while hiking in negative-40°F weather?

How can I prevent shin splints when I hike downhill?

What should you do if you're in a tent, and you hear a bear outside?

What can I do to recover an old injury that swells after a long day of hiking?

What should I eat during hikes on hot days?

Medicine Man Buck Tilton looks into, ugh, eating match heads

Medicine Man Buck Tilton looks into waterborne parasites