Military Nose

The Army is seeking proposals for a sophisticated human scent detection system that could “uniquely identify an individual,” at a geographical distance, or after several hours or even days.

The Pentagon has been looking for technologies to use people's scents to detect, track, and identify them from a distance. The most start-of-the-art technology so far has only been able to distinguish between two different people and needs armpit scent—but now the Army is seeking proposals for a more sophisticated detection system. It is looking for a product that could "uniquely identify an individual based on scent," at a geographical distance or after several hours or even days.

Orangutans exhibit awareness of the past

Orangutans join humans and bees in a very exclusive club

(Eugene Sim/Shutterstock)
Surprising Science
  • Orangutan mothers wait to sound a danger alarm to avoid tipping off predators to their location
  • It took a couple of researchers crawling around the Sumatran jungle to discover the phenomenon
  • This ability may come from a common ancestor
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Scientists just voted to change the definition of a kilogram

The definition of a kilogram will now be fixed to Planck's constant, a fundamental part of quantum physics.

Greg L via Wikipedia
Surprising Science
  • The new definition of a kilogram is based on a physical constant in quantum physics.
  • Unlike the current definition of a kilogram, this measurement will never change.
  • Scientists also voted to update the definitions of several other measurements in physics.
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Understand your own mind and goals via bullet journaling

Journaling can help you materialize your ambitions.

Videos
  • Organizing your thoughts can help you plan and achieve goals that might otherwise seen unobtainable.
  • The Bullet Journal method, in particular, can reduce clutter in your life by helping you visualize your future.
  • One way to view your journal might be less of a narrative and more of a timeline of decisions.
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