The first time I came face to face with a sea lion, I nearly screamed. I was snorkeling, and after a long time spent staring down at colorful corals, I looked up to see a gigantic bull, a couple of feet in front of my mask. Its eyes were opalescent.
Its long canines hinted at its close evolutionary ties to land-based predators like bears and dogs. And most unnervingly of all, it was huge.
Source: theatlantic.com
The first time Frank Keutsch heard about solar geoengineering, he thought the idea was terrifying. To the Harvard University atmospheric chemist, schemes such as spraying millions of tons of sulfate particles into the sky to reflect the sun’s rays and cool the planet seemed perilous. Not only might the strategies disrupt the atmosphere in unexpected ways, but they might also dramatically alter the weather and harm the lives of Earth’s inhabitants.
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A rocky, remote outcrop in Scotland inspired the realisation that the Earth was millions of years old – and led Charles Darwin to his theory of evolution.
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