Add Yahoo as a preferred source to see more of our stories on Google. An electron microscope image, colorized, shows different structures of pollen grains, including sunflower, morning glory and ...

Pollen grains are far more than allergens — they are also nature’s time capsules, preserving clues about Earth’s past environments for millions of years. Pollen’s tough outer shell enables it to ...

Smithsonian researcher Ingrid Romero studies fossil pollen to reconstruct ancient climates and predict future changes Erin Wunderlich Researcher Ingrid Romero holds a case full of pollen slides at the ...

In the quest to decipher the evolutionary relationships of extinct organisms from fossils, researchers often face challenges in discerning key features from weathered fossils, or with prioritizing ...

If pollen allergies are getting to you, you are not alone. Every year, plants release billions of pollen grains into the air, specks of male reproductive material that many of us notice only when we ...