Mild Dehydration = Biran Dmub

25 young, healthy, exercising women drank water the night before they walked on a treadmill. They also took various cognitive tests. Compared with dehydrated test subjects, the hydrated group did not suffer from headaches, fatigue, or difficulty in concentrating. Another study with men had similar results.

The study concludes that mild dehydration can affect mood, energy, and thinking ability. So, um, drink water.

Icicle of Death

A video shows the formation of a brinicle (underwater icicle) which freezes everything in its path.

Essentially, sub-zero brine slowly sinks to the ocean floor and freezes warmer water along the way. Brinicles form in, "very calm ocean conditions, when there's a big differential between the water temperature (around -1.9C) and the air temperature about the sea ice (below -20C)."

Elastic Water

Nature published a report on a cool new material comprised of 95% water and some clay and organic material. The result is "elastic water" (EW), an extremely elastic and transparent jelly-like substance.

EW was produced in light of emphasis on reducing dependency on fossil-fuel energy. EW could be used to create plastics without the use of petroleum while having the ability to mould into shape-persistent, free-standing objects. It also preserves biologically active proteins for catalysis, meaning it could help wounded tissue to remain closed.