Valentina Tereshkova, the first spacewoman, 70 yesterday, has released an interview during which she has affirmed to be ready to fly to Mars, even in an one-way trip. The woman flew on board of a "Vostok 6" on June 16th, 1963, and orbited the Earth 48 times. The space trip, that she has defined difficult and dangerous in the above mentioned interview, lasted 2 days, 22 hours and 50 minutes, with...