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Synthetic Stingray May Lead To A Better Artificial Heart

Scientists have created a synthetic stingray that's propelled by living muscle cells and controlled by light, a team reports Thursday in the journal <i>Science</i>.<p>And it should be possible to build an artificial heart using some of the same techniques, the researchers say.<p>"I want to build an artificial …

Fish

How to stop being annoyed by life

<b>(CNN) —</b> Do you get easily annoyed? At times, does that emotion quickly escalate to anger? You are not alone.<p>You shouldn't live with it, though.<p>Beyond improvements to your general mood and happiness, taming your anger can have important benefits to your health. Constant stress and aggravation is …

Mindfulness

Science Says Your Brain Processes 720 Possibilities at Once--Except When You're Stressed

Experiencing a massive brain shutdown? Try these 3 ways to restore your higher-level thinking.<p>Your rational brain can process about six bits of data at once.<p>For example, let's say you're in a meeting with someone. You could be processing:<p>what happened in your last meeting with her;<br>• the concerns that …

Sleep Myths: What's Fact And What's Fiction When It Comes To Your Slumber

Sleeping doesn't seem like it should be all that hard. After all, humans have been sleeping for hundreds of thousands of years -- it's not like flying a plane or performing laparoscopic surgery. Sleeping is high up there on the list of activities essential for survival, along with eating and …

Breathing Smarter For Better Performance

During any form of physical exertion, most people don't think about breath until they're gasping for it. The most advanced exercisers among us are …