Science

Warren Loeppky has been a pediatric dentist in the Canadian city of Calgary for 20 years. Over the last decade,...

chemical: A substance formed from two or more atoms that unite (bond) in a fixed proportion and structure. For example,...

Paleontologists have discovered 50- to 25-million-year-old fossilized footprints of invertebrates and vertebrates, including a false saber-toothed cat (nimravid), at John...

Carnivorous ‘Bone Collector’ Caterpillars Wear Corpses as CamouflageNicknamed the “bone collector,” this newly confirmed caterpillar in Hawaii secretly scrounges off...

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Warming temperatures may cause methane emissions from wetlands to rise — by helping methane-producing bacteria thrive. Higher temperatures favor the...

acoustic: Having to do with sound or hearing. colleague: Someone who works with another; a co-worker or team member. develop:...

Archaeologists have discovered and analyzed three hearths at the Upper Paleolithic site (45,000 to 10,000 years ago) of Korman’ 9...

Get the Popular Science daily newsletter💡 James Cameron wasn’t near the penguins this time around, but he is extremely familiar...

Marijuana contains more than 500 active compounds. But most people focus on two: There’s cannabidiol, or CBD, which reduces inflammation.And...