Context: Death from laughter is a rare form of death, usually resulting from cardiac arrest or asphyxiation, caused by a fit of laughter. Instances of death by laughter have been recorded from the times of ancient Greece to the modern day.
 Question: can you have a heart attack from laughing Context: The tonne (/tʌn/ ( listen)) (Non-SI unit, symbol: t), commonly referred to as the metric ton in the United States, is a non-SI metric unit of mass equal to 1,000 kilograms; or one megagram (Mg); it is equivalent to approximately 2,204.6 pounds, 1.102 short tons (US) or 0.984 long tons (imperial). Although not part of the SI, the tonne is accepted for use with SI units and prefixes by the International Committee for Weights and Measures.
 Question: is a tonne the same as a ton Context: A wireless gateway routes packets from a wireless LAN to another network, wired or wireless WAN. It may be implemented as software or hardware or combination of both. Wireless gateways combine the functions of a wireless access point, a router, and often provide firewall functions as well. They provide network address translation (NAT) functionality, so multiple user can use the internet with a single public IP. It also acts like a dynamic host configuration protocol (DHCP) to assign IPs automatically to devices connected to the network.
 Question: is a wireless gateway the same as a router Context: On the basis of reciprocity, citizens of the following 3 countries are exempt from the requirement to obtain the Electronic Travel Authorization and can obtain a visa on arrival free of charge:
 Question: is there a visa on arrival in sri lanka Context: Angel Falls (Spanish: Salto Ángel; Pemon language: Kerepakupai Meru meaning ``waterfall of the deepest place'', or Parakupá Vená, meaning ``the fall from the highest point'') is a waterfall in Venezuela. It is the world's highest uninterrupted waterfall, with a height of 979 meters (3,212 ft) and a plunge of 807 meters (2,648 ft). The waterfall drops over the edge of the Auyán-tepui mountain in the Canaima National Park (Spanish: Parque Nacional Canaima), a UNESCO World Heritage site in the Gran Sabana region of Bolívar State. The height figure 979 metres (3,212 ft) mostly consists of the main plunge but also includes about 400 metres (0.25 mi) of sloped cascade and rapids below the drop and a 30-metre (98 ft) high plunge downstream of the talus rapids.
 Question: salto ángel is the tallest waterfall in the world Context: At the free end of the body is a mouth opening surrounded by one to twelve thin, mobile tentacles. Each tentacle, or cnida (plural: cnidae), is clothed with highly specialised stinging cells called cnidocytes. Cnidocytes contain specialized structures called nematocysts, which look like miniature light bulbs with a coiled thread inside. At the narrow outer edge of the cnidocyte is a short trigger hair called a cnidocil. Upon contact with prey, the contents of the nematocyst are explosively discharged, firing a dart-like thread containing neurotoxins into whatever triggered the release which can paralyse the prey, especially if many hundreds of nematocysts are fired.
 Question: do all hydra have the same number of tentacles
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