The amount of space junk will increase as we continue to launch objects into space, but there are ways to curb damage on the ground.
The big question: Would climate engineering like sending reflective particles into the stratosphere or brightening clouds help reduce the national security risks of climate change or make them worse?
Food fraud costs billions globally. But blockchain and machine learning offer hope for a more transparent and safer food system.
Attitudes towards climate policies partly depend on a consideration of future, as yet unborn, descendants. Women tended to show more ability to think about how future generations could benefit.
If we need to use forensic techniques in space, we’ll need to understand how things behave differently in microgravity.
The next generation of spacesuit needs to do more than simply protect an astronaut from the vacuum of space.
Can astronauts spend prolonged time in close quarters millions of miles from Earth without killing each other?
Standards are vague, and the IRS, which is tasked with enforcement, hasn’t provided much oversight.
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