Stealth destroyer to be first to carry hypersonic missiles that travel 5 times faster than the speed of sound — tests imminent
Hypersonic missiles can reach speeds in excess of 3,830 mph and most often fly at altitudes up to 50
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Scientists have discovered that ferns can evolve 'in reverse'
A blooming flower of the Christmas fern (Polystichum acrostichoides). (Photo by Jacob S. Suissa, CC BY-ND) Visualize a picture of your great-grandparents, grandparents, and parents sitting side by side. You will notice some similarities, but each generation will be different…
North America's oldest known dinosaur is a chicken-sized predator that changes our understanding of how dinosaurs conquered the Earth
The new species, Ahvaytum bahndooiveche, was about the size of a chicken, scientists say. But it was likely an ancestor of the giant sauropod dinosaurs. (Photo: Gabriel Hugueto) A previously unknown predator dating back 230
Why Cryonics Is Impossible in Our Quest for Immortality
(Image credit: FlashMovie/Getty Images) It’s a scene straight out of science fiction: a person is placed in a state of total freeze-dry on their deathbed, so that they can be brought back to life at a future date. But is…
The world's first nuclear-diamond battery of its kind could power devices for thousands of years
The diamond battery captures fast-moving electrons excited by radiation, similar to how solar energy uses photovoltaic cells to convert photons into electrical energy. (Image courtesy of the University of Bristol) Researchers say the world's first nuclear battery, using a radioactive…
Scientists have discovered that our outer ears may have evolved from the gills of ancient fish
It is possible that the human outer ear evolved from the gills of ancient fish. (Photo credit: A. Martin UW Photography/Getty Images (left); photographer Basak Gurbuz Derman/Getty Images (right)) A recent study suggests that humans' outer ears may be evolutionarily…