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This is how we should build on Mars, scientists say – CNN

If we make it to Mars, we’re not going to be able to bring everything humankind needs to stay for an extended time or even construct colonies on the red planet. New research has come up with a game plan.

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(CNN)If we make it to Mars, we’re not going to be able to bring everything humankind needs to stay for an extended period of time — or to construct colonies on the red planet.
In order to build shelters and manufacture tools, astronauts may only need to bring one key ingredient — with minerals in the lifeless Martian soil able to do the rest, a new study published Wednesday said.
The key ingredient is chitin — a fibrous substance that is a component of cell walls in fungi, the exoskeletons …

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Are Humans Still Evolving? Scientists Weigh In – ScienceAlert

As a species, humans have populated almost every corner of the earth. We have developed technologies and cultures which shape the world we live in.

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As a species, humans have populated almost every corner of the earth. We have developed technologies and cultures which shape the world we live in.
The idea of ‘natural selection’ or ‘survival of the fittest’ seems to make sense in Stone Age times when we were fighting over scraps of meat, but does it still apply now?
We asked 12 experts whether humans are still evolving. The expert consensus is unanimously ‘yes’, however scientists say we might have the wrong idea of what evolution actually i…

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Alien planets in deep space could be made of diamonds, researchers suggest – Fox News

Newly published research suggests that some exoplanets in deep space largely comprised of carbon could turn into diamonds.

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They say diamonds are a girl’s best friend, but what about an entire planet made of diamonds?
Newly published research suggests that some exoplanets in deep space largely comprised of carbon could turn into diamonds.
The research, published in The Planetary Science Journal, suggests that these “carbon-rich” planets could have the right conditions, such as water, heat and pressure, to turn the carbon into diamonds. These planets could also form other minerals that are found on Earth, such as si…

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The Pros and Cons of Being a Hammerhead Shark – The New York Times

A new study suggests that the ocean’s strangest-looking headgear is difficult to tote around.

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But as soon as the cephalofoil was tilted up or down, the force quickly came into play, enabling a rapid ascent or descent. This helps to explain why hammerheads are much more maneuverable than a typical shark, said Dr. Parsons, who thinks the skill may help them snap up food from the sea floor.
The researchers also measured how much drag the cephalofoils produced. The winghead shark, which has the largest hammer, appears to be dealing with 20 to 40 times the amount of drag as a typical fish, D…

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