1) The speed of a sneeze can reach up to 100 miles per hour (160 kilometers per hour).

2) The first commercial mobile phone, the Motorola DynaTAC 8000X, was released in 1983 and weighed nearly 2 pounds.

3) The development of blockchain technology, first introduced in 2008 with the creation of Bitcoin, has enabled secure and decentralized digital transactions and led to the emergence of cryptocurrencies.

4) The corpse flower, or titan arum, is known for its unpleasant smell, often compared to that of rotting flesh.