The second camp argues that bipedal dinosaurs with partial wings learnt to use them to fly.
ECONOMIST: Birds that don't fly may be using their wings to run uphill
And a seven-million-year-old hominid from Chad, known as Sahelanthropus tchadensis and nicknamed Toumai, may also have been bipedal.
BBC: NEWS | Science/Nature | Scientists unearth early skeleton
Taxonomists bipedal apes who tend to inhabit temperate zones in the northern hemisphere have characterised what is under their noses reasonably well.
This makes the few known bipedal snakes in the fossil record hugely significant, because they could hold the clues that settle this particular debate.
The legs support your body when you crouch and give little tugs on your feet when you walk, making bipedal mobility less of a strain.
ENGADGET: Honda introduces new walking assist machine, doubles as bionic wedgie maker
The theropods were bipedal dinosaurs, and were mainly carnivores.
Interestingly, the 2005 Guinness World Records listed the QRIO as the first bipedal robot capable of running (which it defines as moving while both legs are off the ground at the same time).
FORBES: Reflections on Personal Robots, Backwards and Forwards
It was hard enough for Engadget editors to decide on 10 semifinalists out of the myriad awesome crowdfunded projects entered, including such futuristic fare as bipedal robots, high-tech puppetry and more.
She also compared the structure and pattern of the fibres with those of modern animals and found that the species they most resembled was the emu also a bird and also, like T. rex, bipedal.
ECONOMIST: Some 68m-year-old evidence that birds are dinosaurs
The control programs have been used to create control systems for a bipedal robot and a visual recognition system for a robot that works even when the machine is distracted by flashing lights and shadows.
The benefits of the less than averagely bipedal performing Swan Lake are not really amenable to fiscal analysis: but we do need some method of working out whether you and I should have to pay for their diversity outreach advice.
FORBES: Success at the World Bank: They're Only Wasting 70% of the Money
Those looking to tinker with humanoid robots aren't exactly lacking for options these days, but Cognitive Spring is taking a slightly different approach than most with its Arduino-based cSpring bipedal robot -- one of the semifinalists in the Insert Coin competition here at Expand.
ENGADGET: Insert Coin semifinalist: cSpring bipedal robot platform hands-on (video)
应用推荐