Please capitalize where necessary: above: a human skull. below: the skull of an 8.5-foot tall (!) skeleton that was found (16) near the old area of puma punku, in bolivia.
A: Above: a human skull. Below: the skull of an 8.5-foot tall (!) skeleton that was found (16) near the old area of Puma Punku, in Bolivia.
Q: these revolutionary developments open up new possibilities in the field of additive manufacturing.

A: These revolutionary developments open up new possibilities in the field of additive manufacturing.
Q: the work on the idea already began during hauke jan lübbers’ bachelor at the cooperative state university baden-württemberg in stuttgart, where he wrote a firefox add-on to identify and block cross-site-scripting (xss) attacks on the client-side.
A: The work on the idea already began during Hauke Jan Lübbers’ bachelor at the Cooperative State University Baden-Württemberg in Stuttgart, where he wrote a Firefox add-on to identify and block cross-site-scripting (XSS) attacks on the client-side.
Problem: its nucleus seems to contain infinite energy.
Can you repeat this sentence, but capitalize it?
Answer: Its nucleus seems to contain infinite energy.
Text: product description and specifications are based on information sites of manufacturers. supplied specifications and appearance lawnmowers forward fgt-230/1200 are subject to change without notice.

Correct capitalization: Product description and specifications are based on information sites of manufacturers. Supplied specifications and appearance lawnmowers FORWARD FGT-230/1200 are subject to change without notice.
Q: they forbid it; i don’t know how they make the network work, for their clients, but they run a text-based internet, apparently, but they will not allow our content –
A:
They forbid it; I don’t know how they make the network work, for their clients, but they run a text-based internet, apparently, but they will not allow our content –