A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed ...

In some blockchains, blocks have a number called block height. This is the sequential number of the block on a chain, such as Block 1, Block 2, and so on. Others might use a unique number called a ...

Don't worry about downloading apps -- your iPhone already has several tools to block all those annoying calls and texts from random numbers. David Lumb Senior Reporter David Lumb is a senior ...

Unfortunately, it’s easy to change a phone number, and scammers often do so ... of the most common scams out there today and how to block these spam calls. Scammers use one-ring scams to get ...