Australian dolphins form a subculture
Bottlenose dolphins display the first evidence of animal grouping based on mutual interests.
Lucid dreaming and the neural basis of consciousness
Brain areas that are usually switched off during deep sleep are active in lucid dreamers.
Making blood vessels from liposuction fat
Healthy blood vessels can now be grown from adult stem cells extracted during liposuction.
Old termites go on suicide missions
Termites seem to have developed an explosive strategy for warfare.
Climate change and the modern polar bear
Polar bear evolution holds clues for past climate change events.
