See inside NASA's 3D-printed Mars habitat where 4 volunteers will live for a year. It includes a gym, PlayStation 4, and a lot of red sand.

Tech Insider
Lead associate professor of industrial and organizational psychology Suzanne Bell, and advanced food technology lead scientist Grace Douglas speak to members of the media during a media tour of the Mars Dune Alpha, NASA's simulated Mars habitat, being used as preparations for sending humans to the Red Planet, at the agency's Johnson Space Center in Houston, Texas, U.S. April 11, 2023.

REUTERS/Go Nakamura

34 photos of the weirdest and most unique McDonald's restaurants in the world

Tech Insider
plane mcdonalds nz
This McDonald's restaurant in Taupo, New Zealand, is located inside a decommissioned plane.

EQRoy/Shutterstock

I compared the best business-class trains I've ever taken in Canada and Italy, and my favorite cost half the price

Tech Insider : Travel
Insider's reporter upgraded to business class on train rides thorough Canada (L) and Italy (R) to see which was better.
Insider's reporter upgraded to business class on train rides in Canada (L) and Italy (R) to see which she liked better.

Joey Hadden/Insider

I stayed in 5-star luxury hotels around the world for the first time and 10 things surprised me, from welcome gifts to pillow menus

Tech Insider : Travel
Insider's reporter stayed in four luxury hotels for the first time and was surprised by the complimentary toiletries, tiny ketchup bottles, and a pillow menu.
Insider's reporter stayed in four luxury hotels for the first time and was surprised by free designer toiletries and a pillow menu.

Joey Hadden/Insider

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