One study found that rats emitted ultrasonic vocalizations when they were subjected to manual somatosensory stimulation, i.e., tickling. The results of this controversial research were published in ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Since Aristotle, scientists have vivisected, poked, and prodded ...

Add Yahoo as a preferred source to see more of our stories on Google. histological image shows a cross section of a rat's brain, depicted in red, with a glowing green blob on the top right side; the ...