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The Richer They Get, the More Meat They Eat

Cars That Think

“Nothing in biology makes sense except in the light of evolution,” the eminent geneticist Theodosius Dobzhansky wrote in 1973. This article appears in the August 2022 print issue as “Meat-Eating Is as Human as Apple Pie.”. That goes for the human diet. We are omnivores, not herbivores.

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The Marimba Virtuoso’s Desktop Planetarium

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patent application for a “new and improved orrery,” Musser mentioned the importance of showing the asteroid belt, in light of growing interest in space travel beyond the moon and Mars. A translucent screen had astronomical labels and markings inscribed in phosphorus, visible only when backlit with ultraviolet light. In his 1958 U.S.

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Test of Planet-Cooling Scheme Could Start in 2022

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Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. In 1991, when Mount Pinatubo erupted in the Philippines, it created a haze of particles so dense that it temporarily cooled the planet by. about 0.6 °C.

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