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Through his close relationship with the woods of Walden Pond in Concord, Massachusetts, Henry David Thoreau observed the ebb and flow of the natural world first-hand. Prolific in his practice of colle...
Climate’s Effects on Flowers Critical for Bumble Bees（图）
Climate Flowers Critical Bumble Bees
2017/10/25
Climate change can influence consumer populations both directly, by affecting survival and reproduction, and indirectly, by altering resources. However, little is known about the relative importance o...
Oldest buckthorn fossilized flowers found in Argentina
Oldest buckthorn fossilized flowers Argentina
2017/7/20
Around 66 million years ago, at the end of the Cretaceous period, a giant asteroid crashed into the present-day Gulf of Mexico, leading to the extinction of the non-avian dinosaurs. How plants were af...
Roses are red. Violets are blue.What gives flowers those eye-catching hues?
Roses are red Violets are blue flowers eye-catching hues
2017/2/16
To solve the mystery of why roses are red and violets are blue, scientists are peering into the genes of plant petals."When you ask anyone how one flower is different from another, for most of us, col...
Roses are red.Violets are blue.What gives flowers those eye-catching hues?
Roses are red Violets are blue gives flowers eye-catching hues
2017/3/13
To solve the mystery of why roses are red and violets are blue, scientists are peering into the genes of plant petals."When you ask anyone how one flower is different from another, for most of us, col...
Gene network controls how many flowers and fruits plants will produce during critical growth window
Gene network controls flowers and fruits plants critical growth window
2016/11/29
There is staggering diversity in the number of flowers produced by each of the 2,800 or so species of plants in the nightshade family, which includes economically important crops such as tomatoes, pep...
Plant Hormone‘Switch’Unravels Chromatin to Form Flowers,Penn Biologists Find
Plant Hormone Switch Chromatin to Form Flowers Penn Biologists
2015/11/13
Because plants cannot pick up and move, they have evolved a plethora of strategies to cope with environmental stresses, whether they bring a harsh spell of drought or a browsing deer.One of these stra...
How the Hawkmoth Sees,Hovers and Tracks Flowers in the Dark
Hawkmoth Sees Hovers Tracks Flowers the Dark
2015/6/18
Using high-speed infrared cameras and 3-D-printed robotic flowers, scientists have now learned how this insect juggles these complex sensing and control challenges – all while adjusting to changing li...
As fall fields turn bright with color, what might we learn from roadside rows of sunflowers--and the sunflower seeds widely used to feed birds in colder weather?
As fall fields turn bright with color, what might we learn from roadside rows of sunflowers--and the sunflower seeds widely used to feed birds in colder weather?
Revisiting the Flowers-Ruderman instability of magnetic stars
magnetic fields MHD – stars magnetic field
2010/11/10
In 1977, Flowers and Ruderman described a perturbation that destabilises a purely
dipolar magnetic field in a fluid star. They considered the effect of cutting the star
in half along a plane contain...
The potential importance of frost flowers, recycling on snow, and open leads for ozone depletion events
frost flowers open leads ozone depletion events
2008/11/6
We present model studies with the one-dimensional model MISTRA to investigate the potential role of frost flowers, recycling on snow, and open leads in the depletion of tropospheric ozone in the Arcti...
3-Hydroxy Fatty Acids from the Flowers of Hypericum lysimachioides var. lysimachioides
Hypericum lysimachioides var. lysimachioides fatty acid composition 3-hydroxy fatty acid derivatives
2010/4/21
Fatty acid methyl esters in the leaves and flowers of Hypericum lysimachioides var. lysimachioides (Guttiferae) were analyzed by gas chromatography and gas chromatography-mass spectrometry. The flowe...
The Isolation of Carboxylic Acids from the Flowers of Delphinium formosum
Carboxylic acid, isolation Delphinium formosum chromatography
2010/6/27
From the flowers of Delphinium formosum Boiss. et Huet. (Ranunculaceae) trans-aconitic, p-hydroxybenzoic, p-coumaric, caffeic and chlorogenic acids were isolated and identified. In addition, protocate...