ALIENS! Where are they?! This is Sandra Tsing Loh with the Loh Down on Science. Back in the 1970’s, physicist, Enrico Fermi, asked this EXACT question over lunch. The other physicists thought he was being funny, but Fermi was serious! With one-hundred billion stars in the galaxy -there’s
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Catch a falling star and put it in a….bottle? This is Sandra Tsing Loh with the Loh Down on Science. Among the stars in the sky, Tabby’s Star is a real puzzle. Since it was discovered in twenty-fifteen, astronomers have noticed that it randomly dims — by as much as
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How do YOU spell “alien D-N-A?” This is Sandra Tsing Loh with the Loh Down on Science. You probably know about DNA. It’s the genetic recipe book for all of life – at least, here on Earth! And it uses just four simple ingredients: the bases guanine, cytosine, adenine and
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Lost in space? You might be right at home! This is Sandra Tsing Loh with the Loh Down on Science. Genetic testing – it’s all the rage! But what if your lineage was intergalactic? ! We used to think all of the matter in our Galaxy was formed in-house. But
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