If animals can talk, what would they say? It might be a while before the technology shown in Pixar's Up where Dug is able to speak through a special collar that translates his thoughts into speech. However, it may be possible for us to hear plants scream.
Researchers from Tel Aviv University (TAU) have recorded high-pitched airborne noises emitted by water-stressed plants. The noises could be interpreted as an indication that plants cry out for help (please water me!), much like a distressed animal would.
Read more about it on ZME Science.
(Video credit: Marianne Guenot - Insider)