Cats are famously temperamental and are generally considered to be less loyal and social than dogs. But recent research suggests that cats actually have similar levels of attachment to their human caregivers as dogs and infants. WIRED's Arielle Pardes spoke with Kristyn Vitale from Oregon State University's Human-Animal Interaction Lab to find out more.

On Saturday, October 12, 2019, Eliud Kipchoge became the first person ever to run a marathon in under two hours, a staggering achievement in athletics and human performance. Dr. Michael Joyner, an exercise physiologist at the Mayo Clinic, first predicted it might be possible in a paper he wrote in 1991. WIRED's Robbie Gonzalez has been following Kipchoge's attempts for years, and spoke with Joyner about how Kipchoge finally made it happen.

Tricking is a sport with roots in martial arts and elements of tumbling and breakdancing mixed in. The quadruple cork is tricking's ultimate feat: an off-axis backflip combined with four rotations in the air on a separate axis. WIRED's Robbie Gonzalez spoke with some of the best trickers in the world to find out how they do it, what makes it so hard, and whether anyone will ever manage to pull off a quint.

Knife maker Chelsea Miller explains knife making in 6 levels of difficulty. From a wooden knife to a chef's knife made from raw materials, watch how Chelsea demonstrates and breaks down everything that goes into the making of a knife.

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