Proteins called "S" form spikes that extend from the surface and grab onto a human cell, hundreds of times larger, so the particle, or virion, can slip inside; the crown, or corona, appearance ...

Expert tips for how to trim shrubs and bushes. Pruning can be done for many reasons, including improving the appearance and ...

Tree loppers, indispensable devices for homeowners and professional tree surgeons alike, are used to prune and cut down trees. They come in different shapes and sizes, from handheld trimming snips ...

The global spread of the SARS-CoV-2 virus and of the Covid-19 disease caused by it is having a serious impact on the economy and society in spring 2020. The long-term consequences of the coronavirus ...

Bypass loppers allow your gift recipient to cut larger diameter branches and long handles for greater leverage and long reach. The extra reach makes it easier to prune all parts of small trees ...

With the acute phase of the Covid-19 pandemic fading even as the coronavirus persists and evolves, a new normal is taking shape around the world. The agency endorsed additional doses for people at ...

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Millions of workers have also been put on government-supported job retention schemes as parts of the economy, such as tourism and hospitality, have come to a near standstill. The numbers of new ...

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