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Posted by bio_man   October 13, 2018   713 views

If you live in North America, you've probably never given the cost of water a second thought. In fact, you've probably taken its value for granted probably because it costs very little or because it's vastly abundant. 

In places like Saudi Arabia, however, a liter of water costs five times as much as a liter of gasoline. This is because much of the water in Saudi Arabia is seawater that is purified in desalinization plants (Al Jubail desalination plant shown above). This price relative to fuel is quite different in the United States. For example, a liter of water (from a tap) is virtually free, while a liter of gasoline is around $0.75 (about $3.00 per gallon). 

As a result of this significant difference in cost, it plays a major effect on hu [ ... ]

Middle East Water Freshwater
Posted in Others
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Posted by bio_man   October 3, 2018   777 views

The video below shows 16 hours of neural development compressed into 40 seconds of a developing zebrafish's nervous system. Notice how the neurons branch to make connections with other neurons – a process vital to information transmission.

To obtain such accurate footage, the animal's embryo was suspended in water, rather than gel, and its photographers used gentle light sheet technology to capture the specimen in 3D, at a high temporal resolution.

[ ... ]

Nervous System Zebrafish Time Lapse
Posted in Videos
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Posted by bio_man   October 1, 2018   542 views

The short clip above shows what happens to an injured plant when a nibbling insect attacks the leaves of a plant: the entire plant is alerted to begin anticipatory defense responses.

Working in the model plant Arabidopsis, researchers recently showed that a systemic signal begins with the release of glutamate, which is perceived by glutamate receptor–like ion channels upon injury to a leaf. The ion channels then set off a cascade of changes in calcium ion concentration that propagate through the phloem vasculature and through intercellular channels called plasmodesmata. This glutamate-based long-distance signaling is rapid; within minutes, an undamaged leaf can respond to the fate of a distant leaf.

If plants react to injury more similarly to [ ... ]

Plants Injury Study Botany Glutamate
Posted in Research
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1
Plants have feelings too! Every day millions of inocent defencless plants are being killed. Frowning Face
Posted on Oct 1, 2018 by anuj
2
Lol you're a drama queen Upwards Arrow
Posted on Oct 12, 2018 by 3sp
Posted by bio_man   September 17, 2018   928 views

Here are some interesting puzzles for you to solve!

What are the next two characters in the following sequences?

  •   A   B   1   C   D   2   E  ___  ___
  •   B   F   J   N  ___  ___
  •   O   T   T   F   F   S   S   E  ___  ___
  •   3   3   5   4   4   3   5   5  ___  ___

  You have 1 minute to complete each challenge. Once you're done, click the button to reveal the answers.


Now that you know the answers, how many [ ... ]

IQ Test Intelligence Logic patterns Sequences
Posted in Puzzles and Illusions
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1
A B 1 C D 2 E _F__ 3___ 
B F J N __V_ _Y__ 
O T T F F S S E __P_ P___ 
3 3 5 4 4 3 5 5 __98_ ___

LOL i am way off .Cool exercise
Posted on Sep 17, 2018 by cloveb
2
Neutral FaceNeutral Face??
Posted on Sep 28, 2018 by Chloe
Posted by bio_man   September 11, 2018   999 views


At roughly 6 billion kilometers from Earth, the image you see to your right is the farthest images ever taken.

The New Horizons spacecraft captured its first images on August 16 of the remote icy world nicknamed Ultima Thule (a traditional name of distant places beyond the known world), confirming that New Horizons is on track for its January 1 flyby around Pluto. With about 160 million kilometers to go — roughly the same distance as Earth is from the sun — the tiny world appears as no more than a faint speck in the probe’s camera.

Officially named 2014 MU69, Ultima Thule is part of the Kuiper Belt, a thick disk-shaped zone containing space debris left over from the formation of the planets 4.6 billion years ago. By sending New Horizons to t [ ... ]

Space exploration NASA Pluto Planets
Posted in News
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