Can you spot the error in these passages?

Many athletes have recently started using the new training regime despite concerns from researchers about its effectiveness.

Herbal teas are not made from the leaves of the tea plant,Camellia sinensis. Therefore, they are not technically teas, they are tisanes.

When the centre was established, its official colors were green and gold. Three years later, the trustees, supported by President Wales, voted to change them to blue and white.

Thetime from exposure to onset of symptoms is typically less than a week but may range from 2 to 9 days.

In spring,American Black Bears emerge from hibernation having lost around a third of their body weight. Their metabolic rate remains at a reduced level for up to 21 days afterwards.

Samuel Clemens (November 30, 1835 - April 21, 1910), better known as Mark Twain, was famous for his wit. He once wrote to a journalist that “the report of my death was an exaggeration.”

Centrifugal force can cause thevestibular system to give you a false sense of which way is down.