getting through. how science teachers are turning to popular music. how this class act is helping students finally take interest. we said this earlier in the week, whatever it takes. however you get the message across. however you get the message across, the fact that it gets across is a good thing. but first, leading once again with weather. a monster of a storm is dumping snow in the middle of the country and spawning what may be killer tornadoes. the texas area was hit hard last night. after a powerful storm killed a tornado in her mobile home and the danger is far from over. severe weather warnings up over a big section of the country. our coverage begins with abc s brad wheelis. reporter: across 20 states, old man winter just keeps rolling along. bringing traffic to a slippery, sliding crawl. this was i-435 in kansas. our car is in the ditch. everywhere. people sliding into people. it s a mess out here.