Twenty-one years later, we keep alive the memory of all the precious lives stolen from us at Ground Zero, in Shanksville, Pennsylvania, and at the Pentagon. To the families and loved ones who still feel the ache, Jill and I hold you close in our hearts.
We will never forget.
Geneticists, led by Harvard Medical School's George Church, aim to bring the woolly mammoth, which disappeared 4,000 years ago, back to life.
The efforts got a major boost on Monday with the announcement of a $15 million investment. https://t.co/08aVLPXyY5