Scientists have long suspected that corvids -- the family of birds including ravens, crows and magpies -- are highly intelligent. Now, Tübingen neurobiologists Lena Veit und Professor Andreas Nieder have demonstrated how the brains of crows produce intelligent behavior when the birds have to make strategic decisions.

Their results are published in the latest edition of Nature Communications. Crows are no bird-brains. Behavioral biologists have even called them "feathered primates" because the birds make and use tools, are able to remember large numbers of feeding sites, and plan their social behavior according to what other members of their group do.

Shimizu, a Japanese architectural and engineering firm, has a solution for the climate crisis: Simply build a band of solar panels 400 kilometers (249 miles) wide (pdf) running all the way around the Moon's 11,000-kilometer (6,835 mile) equator and beam the carbon-free energy back to Earth in the form of microwaves, which are converted into electricity at ground stations.