Such changes are all but invisible over the short time scale of modern observations, and, it is argued, they are usually obscured by innumerable gaps in the imperfect fossil record.
Scientists have worried for years about ocean acidification affecting shelled creatures in the future, but according to a new study, it's already happening, and has been for over a hundred years.
Don't get upset even if you think the criticism is harsh, don't be offended even if you think it's wrong, and always thank those who take the time to offer it.
Donkeys, which were imported to the district, have become more common and contribute, in particular, to the transportation of crops and goods to market.
Her language, having the elements of classical languages, dialects and western languages on the basis of colloquialism, is not only elegant and simple, but also elastic and natural.
The latest was a panel from the National Academy of Sciences, enlisted by the White House, to tell us that the Earth's atmosphere is definitely warming and that the problem is largely man-made.