Pine trees become temporarily sterile when exposed to ultraviolet radiation as intense as some scientists believe the Earth experienced 252 million years ago during the planet's largest mass extinction, lending support to ...
Earth Sciences
Feb 7, 2018
0
249
Amber from Cretaceous deposits (110-105 my) in Northern Spain has revealed the first ever record of insect pollination. Scientists have discovered in two pieces of amber several specimens of tiny insects covered with pollen ...
Plants & Animals
May 14, 2012
9
2
Drilling cores from Switzerland have revealed the oldest known fossils of direct ancestors of flowering plants. These beautifully preserved 240-million-year-old pollen grains are evidence that flowering plants evolved 100 ...
Paleontology & Fossils
Oct 1, 2013
1
0
When Lisa Tran set out to investigate patterns in liquid crystals, she didn't know what to expect. When she first looked through the microscope, she saw dancing iridescent spheres with fingerprint-like patterns etched into ...
Condensed Matter
Nov 1, 2017
0
567
(Phys.org)—A team of researchers with affiliations to research facilities in Argentina, the U.K. and New Zealand, has confirmed that fossilized pollen grains found in Antarctica are members of the flowering plant family ...
A building's architectural plans map out what's needed to keep it from falling down. But design is not just functional: often, it's also beautiful, with lines and shapes that can amaze and inspire.
Cell & Microbiology
Feb 7, 2019
7
664
A new University of Stirling study has uncovered the secrets of 'pollen thief' bees - which take pollen from flowers but fail to act as effective pollinators - and the threat they pose to certain plant species.
Plants & Animals
Oct 9, 2015
0
118
(PhysOrg.com) -- A beautifully preserved fossil identified as being of an early relative of the Asteraceae, or aster, family nearly 50 million years old suggests the plant family, which has now colonized much of the planet, ...
A pollen grain showing the nanofoam within or a diatom with the individual geometric structures inside clearly visible: Using high-energy X-rays from the PETRA III synchrotron light source at DESY, a team led by CFEL scientists ...
Optics & Photonics
May 30, 2023
0
138
Mexico is the fourth largest honey producer and fifth largest honey exporter in the world. A Smithsonian researcher and colleagues helped rural farmers in Mexico to quantify the genetically modified organism (GMO) soybean ...
Plants & Animals
Feb 7, 2014
3
0
