BRAIN TEASERS

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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.

Correct answers: 50

The first user who solved this task is James Lillard.

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Friendship isn't about who you know

Friendship isn't about who you know the longest, it is about who walked in your life and said, “I'm here for you” and proved it.

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Sir Thomas Lewis

Born 26 Dec 1881; died 17 Mar 1945 at age 63. Welsh cardiologist who has been called the “father of clinical cardiac electrophysiology.” He coined the terms “clinical science,” “pacemaker,” “premature contractions,” and “auricular fibrillation.” Thomas Lewis studied the human heart, and how it functions to maintain the flow of blood throughout the body. He performed research on blood vessels and pain. To assist his investigations, Lewis advanced the use of the electrocardiograph, originally developed by William Einthoven. They built on the knowledge of the electrical activity in muscle fibres began with the discovery by Luigi Galvani that electrical stimulation could cause movement in a dead frog's leg (1790). Lewis didn't hesitate to use himself as a test subject. Ironically, he died from a heart attack (his third one).«

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