MURKY RELATIONS Once thought of as cavemen, Neandertals may have built structures, researchers discovered 50 years ago. The finding led to speculation that Neandertals were direct ancestors of modern humans, a conclusion that is still hotly debated.
Charles Robert Knight
Regular salmon may soon be joined in grocery cases by genetically engineered fish (shown). The FDA has approved genetically modified salmon for human consumption.
SWEET DEALS Kids from many cultures develop a conviction that it’s unfair to receive fewer treats than another child, a new study finds. This notion emerges at younger ages in Western societies.