
Surprises from General Relativity: "Swimming" in Spacetime
The possibility of "swimming" and "gliding" in curved, empty space shows that even after nine decades, Einstein's theory of general relativity continues to amaze
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Surprises from General Relativity: "Swimming" in Spacetime
The possibility of "swimming" and "gliding" in curved, empty space shows that even after nine decades, Einstein's theory of general relativity continues to amaze
The Mysterious Downfall of the Neandertals
Paleoanthropologists know more about Neandertals than any other extinct human. But their demise remains a mystery, one that gets curiouser and curiouser
Celiac Disease Insights: Clues to Solving Autoimmunity
Study of a potentially fatal food-triggered disease has uncovered a process that may contribute to many autoimmune disorders
A Biochemical Way to Reduce Drug Side Effects?
An emerging class of medicines works its magic by targeting unusual sites on biological molecules
Is There a Place for Nuclear Waste?
Yucca Mountain was supposed to be the answer to the U.S.'s nuclear waste problem, but after 22 years and $9 billion, that vision is dead. Now, some say that doing nothing in the near term may be the smartest solution
An Iron Key to High-Temperature Superconductivity?
The discovery that compounds known as iron pnictides can superconduct at 50 degrees above absolute zero has reignited physicists' quest for better high-temperature superconductors, and may offer clues to unlocking a 20-year mystery