Although the seasonal equinoxes and solstices seem to divide the year into four equal parts, when you count the days of what we officially call winter, spring, summer and fall, each season is different, says Bing Quock, acting chairman of the Morrison Planetarium at the California Academy of Sciences.

NPR: Not All Seasons Are Created Equal

Professor Harris and his team said the findings challenged the previous view that puffin populations on the east and west of Britain remained separate from each other, during both the breeding season and during the winter.

BBC: Tags reveal puffin food 'hotspot'

While the various launches give an initial impression of each team's work in winter testing, all the cars can expect further modifications before the 2009 F1 season begins on 29 March in Melbourne, Australia.

BBC: Toyota commit to F1 with new car

When I went they had one of each model vehicle with the erroneously named all-season tires, which many consumers mistakenly think are suitable for winter driving, and the same cars with snow tires.

FORBES: Make Winter Driving Fun And Safe: The Bridgestone Winter Driving School