Extras
On the plains of South Africa, an army of dung beetles recycle the dung of large mammals.
Ummat Somjee goes to Thailand to observe the cultural tradition of fighting beetles.
An intimate portrayal of three families confronting the unique challenges of Alzheimer鈥檚.
Gavin Svenson heads to the Brazilian rainforest to sample the diversity of mantises.
Nancy鈥檚 wedding plans take a surprising turn. Sister Catherine takes her First Vows.
Forensic science is put to the test after the first-ever staged multi-vehicle pileup.
An elusive photographer uses street art tactics to share his previously unknown work with the world.
Monarch butterflies winter in the fir forests of Michoacan, Mexico, after an epic migration.
Jesse Barber and Akito Kawahara study the evolutionary arms race between bats and moths.
Joyce faces a disciplinary hearing over a recent complaint which has been upheld.