Pigeons can discriminate both space and time

Pigeons aren't so bird-brained after all. New research at the University of Iowa shows that pigeons can discriminate the abstract concepts of space and time—and seem to use a different region of the brain than humans and ...

Researchers use nanoparticles to target, kill endometrial cancer

Tumor-targeting nanoparticles loaded with a drug that makes cancer cells more vulnerable to chemotherapy's toxicity could be used to treat an aggressive and often deadly form of endometrial cancer, according to new research ...

Researchers propose how the universe became filled with light

Soon after the Big Bang, the universe went completely dark. The intense, seminal event that created the cosmos churned up so much hot, thick gas that light was completely trapped. Much later—perhaps as many as one billion ...

Quasars may answer how starburst galaxies were extinguished

Some of the biggest galaxies in the universe are full of extinguished stars. But nearly 12 billion years ago, soon after the universe first was created, these massive galaxies were hotspots that brewed up stars by the billions.

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