Son charts mom's heartbreaking descent into dementia

Molly Daley's battle with Lewy body dementia — the second most common form of the disease in older adults after Alzheimer’s — has been painstakingly chronicled by her son. By Becky Bratu and Mariana Keller.

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We are all made of stars: half our bodies' atoms 'formed beyond the Milky Way'

Simulations reveal that up to half the material in our galaxy arrived from smaller galactic neighbours, as a result of powerful supernova explosions

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NASA plane could halve flight times

For all its reputation as a miracle of motion at the forefront of all things travel, supersonic aviation is both mired in the past and weighed down by a future laden with question marks.

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Politically charged: do you know where your batteries come from?

We need to think about the raw materials of batteries -- where they come from and their environmental cost.

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Elon Musk Says Mark Zuckerberg's Understanding of AI Is Limited

 Elon Musk is a man of many characteristics, one of which apparently is not shying away from calling out big names when they are not informed about a subject. A day after Facebook founder and CEO Mark Zuckerberg said Musk's doomsday prediction of AI is "irresponsible," the Tesla, SpaceX, and SolarCity founder returned the favour by calling Zuckerberg's understanding of AI "limited."

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First human embryos edited in U.S., using CRISPR

Researchers have demonstrated they can efficiently improve the DNA of human embryos.

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The Moon's Role in a Solar Eclipse

This video explains how our moon creates a solar eclipse, why it's such a rare event to see, and how data from NASA's Lunar Reconnaissance Orbiter has enhanced our ability to map an eclipse's path of totality.

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