Latest David Jackson Stories
A team of plant geneticists at Cold Spring Harbor Laboratory (CSHL) has successfully demonstrated what it describes as a "simple hypothesis" for making significant increases in yields for the maize plant.
Like all living things, plants depend for their growth and sustenance on elaborate signaling networks to maintain stem cells, cells that have an almost magical regenerative capacity.
When an animal gets too hot or too cold, or feels pangs of hunger or thirst, it tends to relocate â€“ to where itâ€™s cooler or hotter, or to the nearest place where food or water can be found.
By Kathy Kiely and David Jackson LEESBURG, Va. -- Democrat Barack Obama and Republican John McCain critiqued each other's economic proposals Wednesday as the two men barnstormed through crucial states that Obama hopes to win and McCain is trying to defend.
By David Jackson and Jeffrey Stinson After five days of deadly fighting, Russia appears to have achieved what it wanted: It reclaimed two semi-independent regions from neighboring Georgia and showed that the West is powerless to stop it, analysts said Tuesday.