New Study Shows Skin Pigmentation Far More Complex Than Previously Thought
Many studies have suggested that the genetics of skin pigmentation are simple. A small number of known genes, it is thought, account for nearly 50…
Pigmentation
High Levels of Anthocyanins Give Black Dahlias Their Color
There are more than 20,000 varieties of dahlias, including white, yellow, deep reds, and magenta-colored flowers. The rarer black dahlias are especially alluring to horticulturists….
Adult White Killer Whale Spotted in the Wild for the First Time
There have been sightings of white whales sporadically over the last few decades, but the only white killer whales (Orcinus orca) were young, including one…