Why Dangerous Asteroids Heading to Earth Are so Hard to Detect

Representational image (PC: Wikimedia Commons)

The technology needed to extract material from an asteroid and send it back to Earth could equally be used to alter the orbit of that asteroid.

It’s Wrongheaded to Protect Nature With Human-Style Rights

The protected Cathedral Grove, British Columbia, Canada. Photo courtesy Sang Trinh/Flickr

We risk only having respect for things insofar as they resemble human experience and characteristics.

Is Bigger Always Better, or Will the Tiny Inherit the Earth?

Blackbelly Dwarfgoby (PC: Wikimedia Commons)

The advantages conferred by large body sizes are dependent on ecological or anatomical conditions.

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