Health concerns outweigh any economic benefits of raising the speed limit on motorways, according to an online report in the British Medical Journal.

FORBES: Insane Medical Prediction of the Day: A Raised Speed Limit Causes Obesity

Raising the speed limit, officials say, has helped to reduce accidents.

ECONOMIST: America��s highways

"Raising the speed to 350kmph (217 mph) or 380 kmph (236 mph) would lower built-in safety redundancies, and greatly increase wear-and-tear and operating costs, " Zhao said.

CNN: China's high-speed trains attract frustrated fliers

Minsheng has drawn up plans for a new class of river boat that more than doubles the current size of 800-1, 000 tonnes, whilst raising the speed from 18kph to 22kph.

ECONOMIST: The benign ghost of Lu Zoufu

This was fund-raising as speed-dating.

NEWYORKER: Schmooze or Lose

While Fibre Channel storage networking technology offers up to 16 Gbps data rates low cost, high speed Ethernet connectivity is raising its head.

FORBES: Speedy Ways to Move Enterprise Data

Many aren't convinced, however, the trend is good for students, and the latest announcement comes as the sheer speed of the MOOC movement is raising concerns on campus.

WSJ: Higher ed systems in 10 states turn to Coursera

And when they were raising the horses for sale, they're just interested in speed.

NPR: Heartbreak at the Preakness Stakes

Meeting in Washington last week, the two leaders agreed to speed up a handover of combat operations in Afghanistan to Afghan forces, raising the prospect of an accelerated U.S. withdrawal from the country.

MSN: Qatar aims for Afghan peace process by 2014

Such incidents are raising tensions in Kenya, and the opposition leaders, including Odinga, were driven away at speed.

NPR: Fresh Violence Erupts in Kenya as Annan Mediates