Tag: nitrogen
The Superior Programming that Makes Plants Look Smart
Two signaling molecules — strigolactone and ethylene — can work independently to begin the process of leaf senescence.
From Bears to Whales: A Difficult Transition
Critics laughed, and he removed it from later editions, but Charles Darwin privately continued to believe that whales evolved from a “race of bears.”
How the Earth Operates Supply Chains for Life
It’s no help having essential elements in the Earth’s crust if they can’t get to the organisms that need them.
Is There Enough Phosphorus for Us?
The element phosphorus, on which life heavily depends for its codes and metabolic processes, is a limiting factor for complex beings on habitable planets.
Rare Earth: How Vital Minerals “Evolve”
It’s intriguing that life as we know it depends on a seemingly un-natural distribution of minerals.