What Is a Pulsar? How Do Neutron Stars Produce Regular Pulses?
Imagine a stellar remnant the size of a city—roughly 20 kilometers (12 miles) across. It spins dozens or even hundreds of times per second, possessing a magnetic field trillions of times stronger than Earth’s. And sweeping intense beams of radiation […]
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Myths, Beliefs & Misconceptions
Would You Explode Instantly in the Vacuum of Space?
November 14, 2026
This is a very popular myth. Films like Total Recall and Outland made the exploding-body image famous, but it is not what physics or the evidence […]
What Is a Pulsar? How Do Neutron Stars Produce Regular Pulses?
November 13, 2026
Imagine a stellar remnant the size of a city—roughly 20 kilometers (12 miles) across. It spins dozens or even hundreds of times per second, possessing a […]
What Are Rotifers? The Tiny Animals Living in Water Drops
November 12, 2026
Rotifers are tiny multicellular animals that live in water and moist environments all over the world. They are often called “wheel animals” or “wheel animalcules” because […]
Was Homo erectus the First Human Species to Leave Africa?
November 11, 2026
Yes, Homo erectus is traditionally recognized as the first human species to leave Africa. For decades it was the textbook answer: Homo erectus left Africa about […]
What are the oldest fossils of Homo sapiens ever discovered?
November 5, 2026
The title “oldest fossils of Homo sapiens” is not a fixed claim. It is a contested scientific claim that has shifted dramatically over the past two […]
