Sentence examples for use has been observed from inspiring English sources
After some training in flint knapping, he created and used the tools to break apart logs and dig out concealed food – the first time this level of technological sophistication in tool use has been observed in non-humans.
While tool use has been observed in other animal species, until now no animal has been observed making and using tools to the same degree of technological sophistication as our Hominin ancestors.
One form of this behaviour, 'sequential tool use', has been observed in a number of non-human primates and even in one bird, the New Caledonian crow (Corvus moneduloides).
A change in pattern of tobacco use has been observed in the last decade in Norway.
This potential use has been observed for mosquito and tick salivary antigens in humans 16, 17 and triatomine salivary antigens in mice.
An upsurge in club drug use has been observed in recent years in some cities of China, especially methamphetamine, which is quickly replacing heroin to become the most widespread drug across the nation.
In some countries, higher percentages of triptan use have been observed [7].
Similar benefits of public information use have been observed in the contexts of foraging, fighting and nesting [43] [47].
Diel differences in depth use have been observed for a number of shark species, but have normally been associated with nocturnal migrations from deep water to forage in shallow waters [36] [39].
However, a considerable number of barriers to their wider use have been observed in many countries.
Three patterns of acupuncture use have been observed among women experiencing difficulty with conceiving.
