Hunting regulations in Sweden prohibit killing brown bear mothers in company of cubs—causing mama bears to care for their young longer. Jason G. Goldman reports. -- Read more on ScientificAmerican.com
Tomato plants detected snail slime in soil near them and mounted preemptive defenses, even though they were not directly touched. -- Read more on ScientificAmerican.com
Ancient tools on Mediterranean islands could predate the appearance of modern humans—suggesting Neandertals took to the seas. Christopher Intagliata reports. -- Read more on ScientificAmerican.com