Sentences with phrase «studying ancient pollens»

Others figured out ingenious ways to retrieve past temperatures by studying ancient pollens and fossil shells.

Others figured out ingenious ways to retrieve past temperatures by studying ancient pollen and fossil shells.

Not exact matches

In the new study, pollen grains of a modern dwarf pine species, considered an analog for the ancient species, were similarly malformed under high levels of ultraviolet - B radiation (bottom row).

Using ancient DNA, along with the remains of pollen, plants, and animals collected from lake sediments, a new study has an answer: about 12,600 years ago.

The fossil find, an ancient relative of today's bleeding hearts, poses a new puzzle in the study of plant evolution: did Earth's dominant group of flowering plants evolve along with its distinctive pollen?

A recent study of ancient lake - bottom sediments found layers of charcoal next to layers of shrub pollen, suggesting a close link between shrubs and wildfire.

Most telling were studies in the 1930s and 1940s of Scandinavian lakes and bogs, using ancient pollen to find what plants had lived in the region when the layers of clay («varves») were laid down.

In particular, from the early 20th century forward, a few scientists in Sweden and elsewhere developed the study of ancient pollens («palynology»).