Peacock spiders’ superblack spots reflect just 0.5 percent of light
New images reveal microscopic structures that manipulate light to create the dark patches
![peacock spider](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/05/051419_cw_spider_feat.jpg?fit=860%2C460&ssl=1)
BLACK OUT Microscopic bumps on male Maratus speciosus peacock spiders (shown) make some of their black patches appear even darker, which may help the arachnids attract a mate.
Jürgen C. Otto