New research suggests that elephants use various forms of communication, including ear flaps and trunk reaches, to greet peers. This remarkable species has also been found to have evolved their long trunks as a result of climate change pressures on their ancestors millions of years ago. In addition, elephant experts have discovered that the giant animals' tusks record every week of their lives, while their noses are incredibly remarkable. Despite facing threats such as poaching and habitat loss, elephants continue to fascinate scientists and animal lovers alike. Source: https://www.livescience.com/animals/land-mammals/elephants