We do science because if we didn't we would not know a lot of the things we do know now.
W and Z are most likely to be gas giants!
The cytoplasm splits in two and the cell divides
Around 40% of living ferns are tropical epiphytes (plants that live on the surface of another plant), a reality that backings the theory that the starting point and inevitable control of angiosperms in tropical woodlands both uprooted and made new open doors for other plant ancestries.
