Scientists use ultrasound to levitate small objects and make water droplets float, move, and merge. Video of the toothpick at http://www.pnas.org/content/suppl/2013/07/10/1301860110.DCSupplemental/sm11.mov
A bizarre, pouched super-predator that terrorized South America millions of years ago had huge sabre-like teeth but its bite was weaker than a domestic cat, new research shows. To kill, Thylacosmilus atrox must have secured and immobilized large prey using its extremely powerful forearms, before putting its sabre-teeth to use.
crying crying crying crying crying!!!! This wonderful Momma dog rescued her tiny puppies, one by one from a burning house and put them safely into the back of the fire truck. When all were safe, she got in with them !! I love her!!!! S he is my HERO!!!!