A tree in a native forest planted by Afforestt

The Miyawaki Method: A Better Way to Build Forests?

India’s forest production company is following the tenets of the master Japanese botanist, restoring biodiversity in resource-depleted communities.
Mount Saint Helens, United States

Could a Trillion Trees Really Save the Planet?

Scientists think that planting trees could reverse climate change, but planting trees isn't as simple as it sounds.
A pod of dolphins

How Eco-Conscious is Your Eco-Tour?

Wildlife sighting business is booming. Here’s how to choose the tour operators that care about the animals.
A submarine for the US government, 1806.

The Submerged History of the Submarine

Submarines played a major role in Word War I. But the first submersible was actually used, though unsuccessfully, in the Revolutionary War.
A profile illustration of a child's head filled with science and education icons

Big Brains Are Hard to Grow

Human brains take a long time, and a lot of energy, to grow to their mature state. This may well be an evolutionary tradeoff for having such big brains.
A person looking up into the night sky

Will AI Restore Our Sense of Wonder?

According to philosopher Max Weber, science led to humanity's disenchantment. But reaching AI Singularity might spark our sense of wonder all over again.
A woman looking out a train window into the sunset with vitamin d pills approaching

How Does the Body Make Vitamin D from Sunlight?

A Curious Reader asks: How exactly does exposure to sunlight cause the the human body to synthesize Vitamin D3?
Someone pouring a glass of gin

Is Alcoholism a Moral Failing?

Cultural explanations for alcoholism have changed significantly throughout the years, sometimes blaming social problems, sometimes psychological.
A giant squid

Why Deep-Sea Creatures Get Weirdly Giant

A giant squid sighting has us wondering all over again: how on earth do deep-sea creatures get so large?
The Shinkansen N700A Series Set G13 high speed train travelling at approximately 300 km/h through Himeji Station, Japan

Will the U.S. Ever Catch a High-Speed Train?

Over 20 countries have high-speed train travel, carrying 1.6 billion passengers a year. The United States is lagging behind.