April 13, 2023
Sixty-six years ago, there was one human-built object in Earth’s orbit: Sputnik, the world’s first satellite. It was launched in October 1957. Try to guess how many human-made objects are circling the planet now. Ready? The answer is 100 trillion.…
Quiet Creatures? Nope.
April 5, 2023
Dogs bark. Frogs croak. Birds chirp. Certain animals are known for their sounds. Others seem to be silent. But a study published last October in Nature Communications suggests otherwise about some of these so-called quiet creatures. Researchers recorded 53 species…