One day after a jet dropped out of the sky north of Moscow, reportedly killing Wagner mercenary group chief Yevgeny Prigozhin and his top commanders, rival private militias are jockeying to fill the vacuum. And, researchers from the British Antarctic Survey say it's likely no emperor penguin chicks survived in 4 out of 5 colonies in one Antarctica region. Loss of sea ice is to blame. Also, the number of children living with only one parent — usually the mother — is growing worldwide, according to the UN. In Latin America, a combination of patriarchal culture and weak laws allow for many fathers to skip out on their financial obligations and get away with it. Plus, a race across Europe using public transit ends in a sprint.