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Barn Yard Aeronauts

The word aeronaut is derived from the Greek terms 'aero' meaning air or atmosphere and 'nautes' meaning sailor. Originally, individuals who piloted balloons or airships (blimps or dirigibles) were called aeronauts. In the spring of 1783, Joseph Michel and Jacques Etienne Montgolfier, who owned a paper mill near Lyon, noticed a shirt that had been ...

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BarnYardAeronauts
Astronomy

Hubble & Keck Teams Find Farthest Known Galaxy in Universe

An international team of astronomers may have set a new record in discovering what is the most distant known galaxy in the universe. Located an estimated 13 billion light-years away, the object is ... Continue reading

HubbleKeck
Biology

Do Blind People Dream?

Dreams are a universal feature of the human mind. Carl Jung even believed that visions in our dreams offer glimpses into universal archetypes, instinctive primordial images deriving from a collective ... Continue reading

DoBlindPeopleDream
Astronomy

Neutron Stars

Ordinary matter, or the stuff we and everything around us is made of, consists largely of empty space. Even a rock is mostly empty space. This is because matter is made of atoms. An atom is a cloud of ... Continue reading

NeutronStars
Geology

What Are The Differences Between Global Warming, Greenhouse Effect, Greenhouse Warming, And Climate Change?

The term Global Warming refers to the observation that the atmosphere near the Earth's surface is warming, without any implications for the cause or magnitude. This warming is one of many kinds of ... Continue reading

GreenhouseEffectClimate Change

Is the Dead Sea really dead?

IstheDeadSeareallydeadThe Dead Sea is located on the boundary between Israel and Jordan at a lowest point on earth, at 400 meters (1,320 feet) below sea level. All waters from the region, including the biggest source, the Jordan River, flow into the Dead Sea where there are hardly any outflows short of ground based sink holes and evaporation. This makes it the saltiest and most mineral-laden sea in the world.

The salt concentration is so great, (about one third of salt per weight of water), that fish introduced into the sea by the Jordan River die almost instantly. Only bacteria and halophytes (plants that grow in salty soils) survive. White salt crystals form at the bottom and on the edges of the sea. This high salinity, and hence high density of the water, makes the Dead Sea one of the greatest swimming pools in the world. Even if you don’t know how to swim, don’t worry, you will be able to effortlessly float in the Dead Sea.

The latest measurements indicate that Dead Sea may be in trouble. Namely, the surface level of the water is retreating by 3 feet (90 cm) each year. Many believe that the problem lies in insufficient volume of water flowing into it from the Jordan River due to its overuse by the urban areas. Will the Dead Sea one day be called the Dry Sea? Time will tell.