Could breeding little 'Nemo' fish in your tank save the great reefs of our oceans? And have you heard of the celebrity laxative teas taking over Instagram?

Take a look at these and our selection of other in-depth feature stories from across the web this week.

Susan Schulman's photo essay reveals life in the Dzanga-Sangha forest, where Baka Pygmies are struggling to maintain their traditional way of life in the face of logging, poaching and a lack of healthcare.

Walk into any pet store in Scotland and you're going to find Nemo. Worldwide, the marine aquarium industry is valued at around $300 million, but could new advances in fish breeding help halt reef destruction and protect vulnerable wild fish?

How laxative teas took over Instagram, one $250,000 celebrity endorsement at a time. Chavie Lieber dives deep into the lucrative - and unregulated - world of celebrity-endorsed 'teatoxing'.

BuzzFeed News investigates the inherent conflicts in Trump's bid for the beloved - and taxpayer owned - Old Post Office: "It is unusual for someone to personally profit from such a prominent contract with the government while at the same time seeking to win that government's highest office."

Venture down Croydon Road, the main road running through Penge, and you've got a reasonably good chance of finding Penge's poet laureate, Barbara Brownskirt, in residence at the 197 bus stop - indefatigable, prolific and "utterly unpublishable".

Tass Cambitzi has had three serious relationships but each led to heartbreak, leaving the identity of each man etched on her body. Now she is undergoing painful laser removal to start again.

"On a scale of one to 10, the level of pain is 11. The parts of my body which are lasered feel hot afterwards, and they swell," she says.

Thousands of cyclists are injured, many of them seriously, each year on our roads and getting back into riding can be a tough mental battle. Dan Whitworth describes getting back on his bike after a crash - with the help of the driver who hit him.

The death of his father set a battle raging inside the world's greatest golfer. How he waged that war - through an obsession with the Navy SEALs - is the tale of how Tiger lost his way.

At nearly $2000, the Sealfit Kokoro Camp in California boasts of being a grueling boot camp that has never seen a full class finish. Take a look at a 'grunt's-eye view' of the poor souls taking it on.