A woman with a protective mask in a plane

Do Airplanes Really Make You Sick?

A Curious Reader asks: Am I really at a higher risk of getting sick on an airplane?
Asian small-clawed otters

Pssst. Exotic Animals Don’t Make Good Pets

They might be cute, but animals like otters are difficult to take care of. Plus, there are ecological concerns inherent in removing them from the wild.
A school of anchovies

Why Forage Fish Conservation Matters

Small fish like herring and anchovies serve an important role in the ecosystem. If passed into law, a new act would protect these forage fish.
Two IAEA experts examine recovery work on top of Unit 4 of TEPCO's Fukushima Daiichi Nuclear Power Station

How to Clean Up After a Nuclear Disaster

Workers are still cleaning up after the 2011 Fukushima Daiichi nuclear power plant partial meltdown. There's a lot of contaminated material to contend with.
An illustration of an elephant between crosshairs

The Military Response to Poaching

Is militarizing rangers really the best way to cut down on poaching? It's more complicated than you might imagine.
Yttrium crystal

The Downside to Renewable Energy

Rare earth elements are used in virtually all electronics, and mining them is a messy business.
A flamingo feeding its young

How Non-Mammals “Nurse” Their Young

Some birds feed their young with "crop milk," while discus fish feed their fry with a special mucus. It may not seem as cute as nursing, but it works.
Illustration of a wild boar, between 1868 and 1874

Denmark Builds a Wild Boar Wall

Is constructing a fence along the Denmark/Germany border really the best way to keep wild pigs away from domestic pigs?
This infographic details the locations of the participating telescopes of the Event Horizon Telescope (EHT) and the Global mm-VLBI Array (GMVA).

Seeing Black Holes

Two of the scientists on the huge team that eventually captured the world's first image of a black hole discuss the particular challenges of the task.
Frozen lake Baikal near Olkhon island

Exploring Lake Baikal

The world's largest, deepest freshwater lake is home to hundreds of species that don't live anywhere else on Earth. But it's threatened by climate change.