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Science & Tech

On This Day In History: First Experimental Hydrogen-Filled Balloon Reaches A 900m Altitude âEUR" On August 27, 1783
Science & Tech  (tags: ancient, archaeology, discovery )

- 21 hours ago -
On August 27, 1783, the first experimental hydrogen-filled balloon leaves Champs de Mars, Paris, unmanned, and reaches a 900m altitude. The balloon had a 13ft in diameter and was made of rubber-coated silk...
Take a Few Minutes to Tour Through Space: 10 Stunning Scenes
Science & Tech  (tags: astromony, space, photos )

- 14 hours ago -
None of these photos are artists' renderings, they are all images taken by spacecraft or with the use of space telescopes. The descriptions were written for NASA by astronomers and are edited here for length.
The Mind-Blowing Things Science Tells Us About Animals' Sex Lives
Science & Tech  (tags: science, research, study, society, environment, discovery, wildlife, wildanimals )

- 15 hours ago -
"What we call normal gets flipped on its head."
Scientists Discover a âEUR~DarkâEUR(TM) Milky Way -- ScienceDaily
Science & Tech  (tags: astronomy, space, galaxy )

- 2 hours ago -
The galaxy, Dragonfly 44, is located in the nearby Coma constellation and had been overlooked until last year because of its unusual composition: It is a diffuse "blob" about the size of the Milky Way, but with far fewer stars.
Fossilized Rivers on Mars Suggest Planet Was Warm and Wet in the Past (Video)
Science & Tech  (tags: astronomy, space, Mars, water )

- 2 hours ago -
Scientists estimate that the giant rivers on Arabia Terra likely flowed nearly 4 billion years ago before drying up and becoming preserved.
Have We Been Wrong About Life's Origin? | Earth | EarthSky
Science & Tech  (tags: life, origin, deep sea vents )

- 1 hour ago -
Deep-sea hydrothermal vents represent the only known environment that could have created complex organic molecules with the same kind of energy-harnessing machinery as modern cells

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