Science Explorer
Science Explorer

Science Explorer

@scienceexplorer

NASA Enters Final Preparations for Artemis II Mission
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NASA Enters Final Preparations for Artemis II Mission

As NASA moves closer to launch of the Artemis II test flight, the agency soon will roll its SLS (Space Launch System) rocket and Orion spacecraft to the launch pad for the first time at the agency’s Kennedy Space Center in Florida to begin final integration, testing, and launch rehearsals. NASA is targeting no earlier.

These Giant Long-Necked Dinosaurs Could Stand Upright – and Scientists Finally Figured Out Why
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These Giant Long-Necked Dinosaurs Could Stand Upright – and Scientists Finally Figured Out Why

By applying computational engineering methods to model weight and gravitational forces acting on sauropod femurs, researchers found that these massive four-legged dinosaurs were generally able to stay upright while feeding, mating, and defending themselves. Sixty-six million years ago, two types of long-necked, four-legged dinosaurs had an edge over other sauropods because they could readily rise [...]

Red Dwarfs Are Too Dim To Generate Complex Life
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Red Dwarfs Are Too Dim To Generate Complex Life

New research shows that complex life is unlikely to ever exist around cool, dim red dwarfs. About 33% of the Milky Way's stars are late M dwarfs, which are the smallest, coolest stars, and are the easiest stars to detect Earth-like planets around. The stars aren't bright enough for photosynthetic organisms to create a Great Oxygenation Event, which led to complex animal life here on Earth.

These genes were thought to lead to blindness 100% of the time. They don't.
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These genes were thought to lead to blindness 100% of the time. They don't.

New research finds that retinal diseases thought to map one-to-one to genetic mutations are more complicated than that.

Fragment of lost tectonic plate discovered where San Andreas and Cascadia faults meet
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Fragment of lost tectonic plate discovered where San Andreas and Cascadia faults meet

A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating earthquake risk at the Cascadia subduction zone.