When photosynthetic cells absorb light from the sun, packets of energy called photons leap between a series of light-harvesting proteins until they reach the photosynthetic reaction center. There, ...

Stacey Leasca is an award-winning journalist with nearly two decades of newsroom experience. She is also the co-founder of Be a Travel Writer, an online course for the next generation of travel ...

Aging taps us on the shoulder in many ways: wrinkles, thinning hair, loss of flexibility, slowing of the brain. But the process also unfolds at a more fundamental, microscopic level, as the energy ...