Posts Tagged ‘flowers’
Are self-fertilizing plants their own worst enemy?
U. TORONTO (CAN) — It’s called self-fertilizing or “selfing” and, while it guarantees reproduction, plants that practice it may be contributing to their own demise. Continue…
Tuesday, June 11, 2013 10:00 - 0 Comments
Earth & Environment - Apr 2, 2013 15:16 - 0 Comments
Metal pollution puts bumblebees at risk
U. PITTSBURGH (US) — Bumblebees may ingest toxic amounts of aluminum and nickel when they visit flowers growing in polluted soil, new research shows.
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Science & Technology - Mar 5, 2013 17:54 - 1 Comment
To attract pollinating birds, flowers go red
MONASH U. (AUS) — Flowers that once relied on insects for pollination have since changed their colors to be attractive to birds, biologists have discovered. (more…)
Top Stories - Jan 16, 2013 18:40 - 0 Comments
Heat brings earliest spring blooms on record
BOSTON U. (US) — Unusually warm spring weather in 2010 and 2012 resulted in the earliest blooms on record in two US locations, a new study finds. (more…)
Science & Technology - Dec 27, 2012 15:29 - 1 Comment
City bees hit the road to hunt for flowers
U. TEXAS-AUSTIN / UC BERKELEY (US) — Ground-nesting bumblebees fare best in areas with more flower diversity and less pavement, research shows. (more…)
Science & Technology - Dec 11, 2012 16:52 - 0 Comments
With 2-way wiring, moths feast on floral potluck
U. WASHINGTON / U. ARIZONA (US) — Despite being among the insect world’s most picky eaters, moths are able to enjoy a pollinator’s buffet of flowers because of two distinct “channels” in their brains. (more…)
Science & Technology - Dec 10, 2012 15:21 - 0 Comments
New clues to Darwin’s ‘abominable mystery’
INDIANA U. (US) — Scientists offer a more detailed explanation for the sudden appearance and rapid spread of flowering plants in the fossil record—what Charles Darwin famously called “an abominable mystery.” (more…)
Science & Technology - Oct 9, 2012 15:42 - 0 Comments
Without any pests, plants relax quickly
CORNELL (US) — When researchers removed bugs, a species of native wildflower let its guard down after just three to four generations. (more…)
Science & Technology - Jun 7, 2012 12:11 - 0 Comments
Flowers ‘optimized’ colors for bee vision
MONASH U. (AUS) — Over millions of years, flowers in Australia and Europe have evolved to produce the same colors to attract bees, a new study finds. (more…)
Science & Technology - May 30, 2012 11:21 - 0 Comments
Moths sense humidity to hunt down nectar
U. ARIZONA / CORNELL (US) — Humidity emanating from a flower tells a moth if there’s enough nectar to warrant a visit, researchers have discovered. (more…)
Science & Technology - Nov 21, 2011 12:03 - 15 Comments
Flower petals show evolution at cell’s level
UC SANTA BARBARA (US) — A new study of flower petals shows evolution in action, and contradicts more that 60 years of scientific thought. (more…)
Science & Technology - Jan 10, 2011 12:18 - 3 Comments
Fickle flowers use color to choose
DUKE (US) — Plants use color to discourage butterflies from mingling their pollen, according to new research. (more…)
Science & Technology - Dec 20, 2010 11:40 - 0 Comments
Fuzzy history of the first flower
U. FLORIDA (US) — Since the first bloom, flowering plants have evolved at a booming rate, yet their origin remains a mystery. A 10-year effort to trace the genetic trail back to the first flower reveals new details about how those genes have changed over time. (more…)
Earth & Environment - Oct 26, 2010 12:25 - 0 Comments
Pollinators: Evolutionary flower power
CORNELL (US) — Pollinators, including bees, butterflies, and hummingbirds, are agents of natural selection in flowers, enabling them to produce seeds for the next generation. (more…)
