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Israelis were united in mourning Wednesday after the death of 93-year-old former president Shimon Peres, the last of the state's founding fathers. On the streets of major Palestinian cities, people labelled Peres a "war criminal" and accused him of "massacres". In the centre of the Israeli commercial capital Tel Aviv, Liora Levy, an Israeli woman in her 50s, was in tears.
Mitochondria -- inherited from the mother -- are tiny structures in cells that convert food into energy and have their own DNA, separate from the trait-defining genome housed inside the cell's nucleus. There are two main techniques involving three "parents" for avoiding faulty mitochondria. One removes the healthy nuclear DNA from a fertilised egg produced by a couple seeking to have a child, and then inserts it into a fertilised donor egg stripped of its own nucleus.
EL CAJON, Calif. (AP) — Dozens of demonstrators protested Wednesday outside a suburban San Diego police station after a black man who reportedly was acting erratically at a strip mall was shot and killed by an officer when, according to authorities, he pulled an object from a pocket, pointed it and assumed a "shooting stance"