Reality Checks: Lab Snowflakes, Plasma Saber, GMOs on Mars, Hot Earth

• In an effort to figure out why no two snowflakes are exactly alike, this physicist has tons of beautiful images of lab-made snowflakes. (via io9)
• Can real science make a lightsaber? (via Scientific American)
• GMOs will let people live on Mars. (via The Crux)
• The Earth keeps getting hotter. (via Discovery News)

Featured image credit: mylifeclicks1023 via Flickr

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