Why do you feel so awful at high altitudes?

Why do you feel so awful at high altitudes?

A drop in air pressure and oxygen can make you feel pretty out of shape

Your chest heaves, lungs burning, but you can’t catch your breath. Your head pounds, vision blurring, but you feel like you’ll faint any second. You’re definitely fit enough to climb a flight of stairs without trouble — is this some sort of nightmare?

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environment

Stories in the sediment

Stories in the sediment

Tom Cronin stumbled into studying deep ocean floors, and hopes he can help others find the same curiosity for the unknown

For Midway Atoll’s birds, plastic is the main dish

The debris littering this historic island is just a tiny part of a global littering problem

environment

Preserving a safe passage for jaguars

Preserving a safe passage for jaguars

Human tolerance may be the key to keeping the jaguar population whole and healthy

The portrait of an operating room

Marie Rossettie blends traditional and new art techniques to give the human body more vibrancy

environment

Should obese women take the pill differently?

Should obese women take the pill differently?

When hormones in oral contraceptives are less effective, obese women need a new strategy to prevent unwanted pregnancy

Valuable cord blood sits unused in banks

High costs are keeping patients from using stem cells harvested from umbilical cords

environment

Pluto’s ongoing identity crisis stirs planet definition debate

Pluto’s ongoing identity crisis stirs planet definition debate

If you think this is just about Pluto, you’re thinking too small

The fashonista physicist

Theoretical physicist Ágnes Mócsy teaches art students science