What’s increasing the concentration of nitrous oxide, a powerful greenhouse gas, in our atmosphere? According to a new study, this increase is due mainly to the use of N-based fertilizers.
Scientists studying black bears during hibernation in Minnesota noticed something unusual: Injured bears healed during their winter hibernation – why is this odd? A bear’s low body temperatures during hibernation should inhibit healing. Researchers believe that they have discovered the reason for the bear’s ability – could this be applied to humans as well?