Terbium is probably one of the weirdest elements in the first 100 elements besides Mercury. It reacts with pretty much everything including water. Its ability to react readily means it often needs care in its handling, but it is handy as an alloy being used in the production of tungsten, fluorescent tubes, phosphorescence paint, sonar technology, and even in the detection of certain nasty strains of bacteria.
The Western Spadefoot is an arid area toad that lives in the California region. A nocturnal toad that mostly lives in small ponds and has one of the quickest known metamorphosis of any toad, in that it will transform form spawnling to tadpole, to small toad in a matter of 12-13 days if conditions are optimal. This is why I related this strange looking toad with Terbium, they both transform quickly in the right circumstances.
Dysprosium is probably one of those elements most people wouldn’t even pay much attention to. Mostly as it is not exceptionally useful as a separate element. Though its use in ultraviolet LED’s has led to it being in broader use in your remote controls in recent times as LED’s replace earlier ultraviolet light emitting means. It is also used as in nuclear reactor control rods as it is able to perform very well for neutron capture.
Water buffalo are large bovine (bovid) from South-Southeast Asia. It is a partially domesticated animal with many feral populations within countries throughout the world. Both its milk and meat are eaten, and it is also used as a beast of burden for the tillage of fields and cropping. It mostly likes to live in wetland and grasslands ranging as far as tropical savannah. It is connected to Dysprosium as it current main source is in Southeast Asia, but it may be sourced from the others such as Australia in the not too distant future as well.