in february despite a slow start to the month after those stubborn snowstorms. consumer confidence also jumped to a three-year high in february, analysts warning rising gas prices could force those shoppers to pull back on spending. we'll watch it at the pump. arthel: a new warning from scientists suggesting the earth may be on the vench of must mass extinction, similar to the one that killed the dinosaurs. it's happened five times in the past 540 million years but this time around experts say we may be able to stop it. michio kaku is a professor at the university of new york and author of the new book "physics of the future". looking forward to the new book, of course. dr. kaku, getting right to it, which species will be most at risk? >> so far if you analyze the last few hundred years of life on earth human activity apparently has wiped out 1.4% of all plants and animal species and it is 100,000 to 1000 times lasser