There are roof shapes and ratios that maximize heat retainment and energy efficiency and, interestingly, ancient Italian architects and builders seemed to know it, too.

Engineers discovered a way to move heat ultrafast using crystal waves, offering a breakthrough in cooling advanced electronics.

At the time, it was not immediately clear what caused the four-deck, wooden-hulled motor yacht to sink. Egypt's tourism economy is among its key sources of revenue. CNN's Rob Picheta, Anna ...

At least six people are feared dead and nine others injured after a tourist submarine sank off the coast of Hurghada, a popular Egyptian resort city along the Red Sea. Here are the key points ...

Cairo — Six tourists died on Thursday when a tourist submarine sank off the resort of Hurghada on Egypt's Red Sea coast, the provincial governor said. The submarine was carrying 45 foreign ...

Six Russian tourists were killed on Thursday after a viewing submarine sank near the Egyptian resort city of Hurghada, according to the local governor. Maj. Gen. Amr Hanafy confirmed the deaths in ...

A tourist submarine has sunk in Egypt, sparking a major rescue operation and leaving multiple people dead or injured. The submarine, named Sindbad, was carrying about 44 passengers of different ...

Six people have died and nine were injured when a tourist submarine sank off the Egyptian coast on Thursday, according to the Associated Press. All the victims were Russian, and were among 45 ...

To build our Heat Index rankings for both men's and women's brackets, we're comparing each team's actual point differential in its first two NCAA tournament games to the margin we'd predict based ...

It's still not known what caused the Sindbad submarine to sink. One report, from the Association of Tour Operators of Russia, suggested the vessel may have hit a reef at a depth of around 20 metres.

Advert A rescue operation began after the submarine began to sink, with the Red Sea Health Directorate and the Egyptian Ambulance Authority reportedly placed on maximum alert and 21 ambulances ...

At least six people have died after a submarine carrying dozens of tourists sank off the coast of Egypt. A further nine have been injured, four critically, in the disaster which happened around a ...