Humans Humans were kissing at least 4500 years ago, reveal ancient texts Many sources claim sexual kissing spread worldwide from South Asia 3500 years ago, but there is evidence it was practised in ancient Mesopotamia and Egypt much earlier than that NewsFree
EnvironmentHow a US civil war shipwreck became a template for marine conservationFeaturesSubscriber-only
Life European empires had a lasting impact on plant biodiversity worldwide The global distribution of plants has been heavily influenced by the European empires that spread alien species across the world from the 15th century onwards NewsFree