Field Notes

How Long Can You Survive Without Food?

How Long Can You Survive Without Food?

With water available, a human body can survive anywhere from several weeks to several months without food — the range is wide because it's set almost entirely by starting body-fat...

How Long Can You Survive Without Food?

With water available, a human body can survive anywhere from several weeks to several months without food — the range is wide because it's set almost entirely by starting body-fat...

Knots That Actually Matter in a Survival Situation

Knots That Actually Matter in a Survival Situation

Most knot-tying guides hand you fifty knots and expect you to remember them under stress, which is backwards. In a real situation you'll reach for two or three knots for...

Knots That Actually Matter in a Survival Situation

Most knot-tying guides hand you fifty knots and expect you to remember them under stress, which is backwards. In a real situation you'll reach for two or three knots for...

What Actually Causes a Campfire to Become a Wildfire

What Actually Causes a Campfire to Become a Wil...

Campfires cause a smaller share of wildfires than most people assume — but when they do, it's almost always for the same avoidable reason: someone left before the fire was...

What Actually Causes a Campfire to Become a Wil...

Campfires cause a smaller share of wildfires than most people assume — but when they do, it's almost always for the same avoidable reason: someone left before the fire was...

The Survival Hierarchy: What Kills You First

The Survival Hierarchy: What Kills You First

Every survival guide eventually reduces to the same list: air, shelter and warmth, water, food. The order isn't arbitrary and it isn't folklore — it's a rough ranking of how...

The Survival Hierarchy: What Kills You First

Every survival guide eventually reduces to the same list: air, shelter and warmth, water, food. The order isn't arbitrary and it isn't folklore — it's a rough ranking of how...

Survival Math: The Rule of Threes, Tested Against Real Data

Survival Math: The Rule of Threes, Tested Again...

The rule of threes says you can survive roughly three minutes without air, three hours without shelter in extreme conditions, three days without water, and three weeks without food. It's...

Survival Math: The Rule of Threes, Tested Again...

The rule of threes says you can survive roughly three minutes without air, three hours without shelter in extreme conditions, three days without water, and three weeks without food. It's...

The 72-Hour Kit, Built From What FEMA Actually Recommends

The 72-Hour Kit, Built From What FEMA Actually ...

A 72-hour kit — sometimes called a go-bag or basic disaster supply kit — is built around one simple assumption: help may not reach you for three days. Every official...

The 72-Hour Kit, Built From What FEMA Actually ...

A 72-hour kit — sometimes called a go-bag or basic disaster supply kit — is built around one simple assumption: help may not reach you for three days. Every official...