Some plants can send messages the same way humans use the Internet, research suggests. But their networks also make the plants vulnerable to virus attacks.
White-backed vultures - once plentiful in India and Pakistan - have become critically endangered. Now environmentalists are urging a ban on a common veterinary drug that may be poisoning the birds.
There is a "high probability" that recently found remains are those of the two missing children of Nicholas II, the last tsar of Russia, says a Russian forensics expert.
