VOD for middle and high school - Evolution

In honor of the Eurovision Song Contest, let’s get to know some of nature’s singers. How do birds learn to sing? How does a whale sing? And can a fish serenade his love?

It was over a century and a half ago that Charles Darwin published his revolutionary book “On the Origin of Species”. However, the genetic evidence that substantiate his theory of evolution was revealed many decades later. Nowadays, by virtue of their genetic analysis capabilities, scientists can calculate the genetic proximity between species and thereby place them on the evolutionary “tree of life”. The following video depicts how life began on Earth and leads us through a journey from the first cells to human beings, all based on our current genetic knowledge.

The answer is blowing in the wind: For the first time, researchers have shown how hurricanes can affect the evolution of lizards –simply by casting those less capable of withstanding the powerful winds into the sea.

כשבייתנו את בעלי החיים, שינינו את התנהגותם – וגם את מראם. מדוע בעלי חיים מבוייתים רבים חולקים את אותן תכונות פיזיות? והאם במהלך האבולוציה שלנו בייתנו גם את עצמנו?