Transforming a Spinach Leaf Into Beating Human Heart Tissue | National Geographic

Watch a spinach leaf that has been transformed into beating human heart tissue. Scientists used the plant to replicate the way blood moves through human tissue. They hope that one day this method can be used to better filter blood to damaged tissue in human hearts.
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Make Soda Bottle String (Cool Survival Hack) | How To Make Rope From Plastic Bottle

With nothing but a piece of wood and a knife, you can make endless amounts of strong plastic string. Curious how to make a rope out of a plastic soda bottle? Using a 2 liter bottle (plastic soda bottle), a knife (or saw), and a few other items can create an awesome and effective DIY survival style bottle rope. TKOR show you EVERYTHING you need to know how to make a DIY rope. Putting together one of these plastic ropes can be time consuming and super messy! But it doesn’t have to be. Creating a DIY soda bottle rope is quite simple! ... Read More إقرأ المزيد | Share it now!