The bitter compounds in kale, broccoli and green tea are plant defence weapons — and the reason vegetables extend human life.
How do microorganisms orient themselves to find the optimal habitat? Scientists have thoroughly investigated so-called ...
How does a single cell build a brain with billions of precisely organized neurons? Researchers suggest that brain cells use their lineage—their cellular family tree—as a kind of positional map. Cells ...
The SpudCell certainly resembles a living cell, but a key structure inside the cell falls short of the real thing ...
How life started on our own planet may not seem as interesting as finding evidence of life on Mars or the icy moons Europa or Enceladus. But the search for the first eukaryotes on Earth remains as ...
To understand the story of evolution—both its narrative and its mechanism—modern Darwins don't have to guess. They consult ...
Did Viking 1 find evidence of life on Mars? Fifty years after the NASA lander touched down, the jury is still out.