amino acids

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A Chicken-or-Egg Mystery on Early Life May Be Solved

Lab experiment shows how simple chemistry may have bridged gap between RNA, protein synthesis

(Newser) - A new study published this week in Nature offers potential answers to a long-standing question in biology: How did the first proteins form on Earth, setting the stage for life? Researchers at University College London, led by chemist Matthew Powner, have demonstrated in the lab that simple chemistry could...

Study Links Food Compound to Spread of Cancer

Asparagus may be cancer's favorite vegetable

(Newser) - Making big changes to your diet could deprive cancer of a nutrient that it needs to spread throughout the body, researchers say. A study published in the journal Nature links asparagine—an amino acid found in many foods, including asparagus, beef, poultry, nuts, and potatoes—to the spread of secondary...

It's Not Really the Turkey That Makes You Tired

It's the mountains of carbs you have with it

(Newser) - Contrary to what you learned while watching Seinfeld , the turkey you're about to eat today is not the true reason why you're bound to crave a nap after dinner. Where the myth stems from: It's true that the amino acid tryptophan is found in turkey, and when...

Vegans Turn to Bodybuilding
 Vegans Turn to Bodybuilding 
Jan 7, 2012 8:43 AM CST

Vegans Turn to Bodybuilding

Animal-free dieters find ways to bulk up competitively

(Newser) - A new trend is sprouting in the sport of bodybuilding: veganism. A burgeoning group of competitive weight-lifters are turning to an all animal-free diet, reports the New York Times . It's a challenge because the vegan diet can be dauntingly limited for bodybuilders, who need a sufficient amount of amino...

'Elixir of Life' Discovered

 'Elixir of Life' 
 Discovered 
extends mouse lifespan 12%
Oct 6, 2010 6:50 AM CDT

'Elixir of Life' Discovered

Cocktail of amino acids extended mouse lifespans 12%

(Newser) - Italian researchers say they've found an "elixir of life" that helped mice live longer and may do the same for humans. The cocktail of amino acids—found in a protein powder favored by bodybuilders—extended the lifespan of middle-aged mice by 12%, the Telegraph reports. Mice who drank water...

Key Component of Earth Life Found in Comet

(Newser) - An amino acid necessary to the construction of proteins, and therefore life on Earth, has been found in a comet that passes through our solar system, Space.com reports. Glycine was found in samples picked up by a NASA spacecraft in 2004. The discovery suggests that life’s building blocks...

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