For seven years now, Atlantic puffins have been abandoning chicks and eggs in their nesting colonies because they cannot find enough food. The ocean is teeming with mackerel which consume the small fish that puffins normally feed to their offspring.
Tartar in the mouths of 1,000-year-old monk skulls are a storehouse of information about past, and possibly also present-day, diseases. Analyses of the tartar indicate that humans were resistant to antibiotics 1,000 years ago.
The brain does not control all body movements. Some movements are to a great extent controlled by neural networks in the spinal cord. This is why a chicken can run away after you chop its head off. A new study takes a closer look at this strange phenomenon.