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Applied sciences and engineering/Engineering/Transportation engineering/Vehicles/Spacecraft

Scientists have detected an underground reservoir of liquid that may be saltwater under Mars' southern polar ice cap.

AAAS staff share the first time they asked questions about the world, and started to think like a scientist or an engineer.

More than 80 AAAS volunteers deployed jelly beans, Braille lettering and auditory illusions to creatively demonstrate the science of the five senses to thousands of curious participants at the 5th USA Science & Engineering Festival in Washington, D.C.
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