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It has been trying to restore the woodlands by introducing downy birch, sessile oak, hazel, willow, aspen and alder as well as endangered tree species such as Arran whitebeam.

The researchers looked at how long enveloped and nonenveloped viruses remained infectious on the surface of six types of wood: Scots pine, silver birch, gray alder, eucalyptus, pedunculate oak and Norway spruce.

“If you feel like your body is rigid, cedar can help you soften. If you feel like you’re collapsed, Douglas fir or alder can help bring more strength and structure.”

Made of 100% alder wood, it’s painted blue and has a shelf to hold books, a potted plant or your helmet.

"We found increased shrub growth of a specific species called alder," said Welch, who works in the lab of Claudia Czimczik, professor of Earth system science.