The ancient Egyptians built pyramids as tombs for the pharaohsand their queens. The pharaohs were buried in pyramids of many different shapes and sizes from before the beginning of the Old Kingdomto the end of the Middle Kingdom. There are about eighty pyramids known today from ancient Egypt.The three largest and best-preserved of these were built at Giza at the beginning of the Old Kingdom. The most well-known of these pyramids was built for the pharaoh Khufu.here are about eighty pyramids known today from ancient Egypt. The three largest and best-preserved of these were built at Giza at the beginning of the Old Kingdom. The most well-known of these pyramids was built for the pharaoh Khufu.
A volunteer attending security firm Kasperskyâs conference at IFA in Berlin had a chip implanted into his hand that could unlock his phone. 1  In a dystopian sci-fi vision of the future, humans are often microchipped so they can be controlled to do everything from housework to committing crime.
By altering the genes in the adult cells, researchers can reprogram the cells to act similarly to embryonic stem cells. This new technique may allow researchers to use these reprogrammed cells instead of embryonic stem cells and prevent immune system rejection of the new stem cells. However, scientists don't yet know if altering adult cells will cause adverse effects in humans.