Atheists who love Science!

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Atheists who love Science!

A group for science enthusiasts of all types -- professionals, amateurs, students, anybody who loves science.

Website: http://www.thinkatheist.com/group/science
Members: 930
Latest Activity: 56 minutes ago

Discussion Forum

Where does increased complexity come from in evolution?

Started by Anthony Blair. Last reply by SteveInCO 56 minutes ago. 18 Replies

CuriosityStream, anyone?

Started by Pope Beanie. Last reply by TJ Jul 13. 2 Replies

Neanderthals used fire in caves:

Started by JadeBlackOlive. Last reply by TJ Jun 29. 9 Replies

Fossil Dog

Started by JadeBlackOlive. Last reply by Unseen Jun 8. 13 Replies

Pre-Clovis civilization in Florida

Started by JadeBlackOlive. Last reply by Belle Rose May 15. 4 Replies

Teeth vs. Tools

Started by JadeBlackOlive. Last reply by JadeBlackOlive Apr 28. 2 Replies

‘Trickle of food’

Started by JadeBlackOlive Apr 15. 0 Replies

Diet affects the evolution of birds

Started by JadeBlackOlive Apr 14. 0 Replies

How Dinosaurs Grew From Hatchlings to Adults

Started by JadeBlackOlive. Last reply by JadeBlackOlive Apr 6. 18 Replies

Think your DNA is all human?

Started by JadeBlackOlive. Last reply by SteveInCO Mar 27. 9 Replies

Small, Brainy T-Rex Discovered

Started by JadeBlackOlive Mar 14. 0 Replies

Fossil analysis pushes back human split

Started by JadeBlackOlive. Last reply by Reg The Fronkey Farmer Mar 11. 3 Replies

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Comment by Pope Beanie on March 28, 2016 at 4:00pm

Haha, theoretically. Hmm, should gun buyers pass a T. gondii test?

Comment by JadeBlackOlive on March 28, 2016 at 3:57pm

That would explain a lot, wouldn't it?

Comment by Pope Beanie on March 28, 2016 at 3:50pm


People with “rage” disorder twice as likely to have a latent toxoplasmosis parasite infection


The protozoan Toxoplasma gondii, tissue cyst in brain (Photo: D. Ferguson, Oxford University)

Individuals with a psychiatric disorder involving recurrent bouts of extreme, impulsive anger—road rage, for example—are more than twice as likely to have been exposed to a common parasite than healthy individuals with no psychiatric diagnosis.

In a study involving 358 adult subjects, a team led by researchers from the University of Chicago found that toxoplasmosis, a relatively harmless parasitic infection carried by an estimated 30 percent of all humans, is associated with intermittent explosive disorder and increased aggression.

[source]

Comment by JadeBlackOlive on March 15, 2016 at 8:12pm

That was fun, Beanie.

Comment by Pope Beanie on March 15, 2016 at 7:59pm

From PhysicsGirl:

[see it larger on youtube]

Comment by Tiffany Davis on March 15, 2016 at 7:54pm

i never got the chance to learn science because i went to a special school that taught only kindergarten never taught any kind of science but iv'e always been interested in science though. 

Comment by SteveInCO on March 11, 2016 at 11:10pm

Beware the law of unintended consequences.  A fast working bacteria that eats a specific kind of plastic...could end up eating all of it, including that stuff that's still in use.

Comment by JadeBlackOlive on March 11, 2016 at 6:21pm

WOW.....that would be something!

The oceans are in terrible shape & difficult to easily clean up, so that would be a huge difference right there if it can be done.

Comment by Stephen on March 11, 2016 at 1:45pm

Scientists Have Discovered a Bacteria That's Evolved to Eat Plastic

Scientists Have Discovered a Bacteria That's Evolved to Eat Plastic

A team of Japanese scientists has discovered a bacteria that’s evolved to break down and consume PET—one of the world’s most environmentally damaging plastics.

The team discovered the bacteria living on plastic items found in wastewater samples it was collecting. Called Ideonella sakaiensis, it appears to consume a diet made up exclusively of PET, which it breaks down using a pair of enzymes. The bacteria cling to the plastic, then break the plastic down into terephthalic acid and ethylene glycol in a two-step process. They then digest those two substances. PET was only invented about 70 years ago. That means the bacteria must have evolved the ability to consume the plastic over the intervening decades. The results are published in Science.

The team is obviously excited about the prospect of using the bacteria to clean up the planet. There are, after all, millions of tons of waste PET on the surface of our planet—on landfills and in our seas. But right now, the bacteria are inefficient: New Scientist reports that it takes “6 weeks at 30°C to fully degrade a thumb-nail-sized piece of PET.” That’s because the bacteria multiplies relatively slowly, so it may be possible to genetically engineer a bacterium that combines the speed of multiplication of something like E.coli with the plastic-chomping abilities of Ideonella sakaiensis.

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It’s not the first natural organism to consume plastic. In 2012, there were reports of an Amazonian fungus that was able to break down polyurethane. But in terms of cleaning the planet, bacteria could be far more efficient. Let’s see if the team can speed the process up.

http://gizmodo.com/scientists-have-discovered-a-bacteria-thats-evol...

Comment by JadeBlackOlive on March 11, 2016 at 1:32am

Great beauty there, Stephen.

 

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