News tagged with genetic composition

Grazers and pollinators shape plant evolution

It has long been known that the characteristics of many plants with wide ranges can vary geographically, depending on differences in climate. But changes in grazing pressure and pollination can also affect the genetic composition ...

Oct 21, 2013
5 / 5 (2) 0 | with audio podcast

Meteorites: Tool kits for creating life on Earth

Meteorites hold a record of the chemicals that existed in the early Solar System and that may have been a crucial source of the organic compounds that gave rise to life on Earth. Since the 1960s, scientists have been trying ...

Aug 08, 2011
4.3 / 5 (6) 3 | with audio podcast

Food security: It starts with seed

With each passing year, the human population of our planet continues to expand. This growth has created a wide ranging strain on our water and soil resources, as well as our environment, creating an unprecedented urgency ...

May 04, 2009
3.5 / 5 (2) 0