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As More Tech Start-Ups Stay Private, So Does the Money
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As More Tech Start-Ups Stay Private, So Does the Money
Not long ago, if you were a young, brash technologist with a world-conquering start-up idea, there was a good chance you spent much of your waking life working toward a single business milestone: taking your company public.
Health In The Wild Health In The Wild Many animals seem able to treat their illnesses themselves. Humans may have a thing or two to learn from them. For the past decade Dr Engel, a lecturer in environmental sciences at Britain's Open University, has been collating examples of self-medicating behaviour in wild animals. She recently published a book on the subject. In a talk at the Edinburgh Science Festival earlier this month, she explained that the idea that animals can treat themselves has been regarded with some scepticism by her colleagues in the past. But a growing number of animal behaviourists now think that wild animals can and do deal with their own medical needs. One example of self-medication was discovered in 1987. Michael Huffman and Mohamedi Seifu, working in the M...
Biometrics A. The term “biometrics’ is derived from the Greek words bio (life) and metric (to measure). It refers totechnologies for measuring and analysing a person’s physiological or behavioural characteristics, such as fingerprints, irises, voice patterns, facial patterns and hand measurements, for identification and verification purposes. One of the earliest known examples of biometrics in practice was a form of fingerprinting used in China in the 14th century. Chinese merchants stamped children’s palm prints and footprints on paper with ink to distinguish the young children from one another. This method of biometrics is still being practiced today. B. Until the late 1800s, identification largely relied upon ‘photographic memory.’ In the 1890s, an anthropologist and poli...
Making Time for Science Chronobiology might sound a little futuristic – like something from a science fiction novel, perhaps – but it’s actually a field of study that concerns one of the oldest processes life on this planet has ever known: short-term rhythms of time and their effect on flora and fauna. This can take many forms. Marine life, for example, is influenced by tidal patterns. Animals tend to be active or inactive depending on the position of the sun or moon. Numerous creatures, humans included, are largely diurnal – that is, they like to come out during the hours of sunlight. Nocturnal animals, such as bats and possums, prefer to forage by night. A third group are known as crepuscular: they thrive in the low- light of dawn and dusk and remain inactive at other hours. When it comes to humans, chronobiologists are interested in...
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