News tagged with plant biologist

Related topics: plants

Scientists replicate key evolutionary step in life on earth

(PhysOrg.com) -- More than 500 million years ago, single-celled organisms on Earth's surface began forming multi-cellular clusters that ultimately became plants and animals.

Biology / Cell & Microbiology

created Jan 16, 2012 | popularity 4.8 / 5 (46) | comments 500 | with audio podcast

How plants sense touch, gravity and other physical forces

(PhysOrg.com) -- At the bottom of plants' ability to sense touch, gravity or a nearby trellis are mechanosensitive channels, pores through the cells' plasma membrane that are opened and closed by the deformation ...

Biology / Plants & Animals

created Oct 21, 2011 | popularity 4.3 / 5 (15) | comments 0 | with audio podcast

How plants drove animals to the land

(PhysOrg.com) -- A new study of ancient oxygen levels presents the first concrete evidence that after aquatic plants evolved and boosted the levels of oxygen aquatic life exploded, leading to fierce competition ...

Other Sciences / Archaeology & Fossils

created Sep 30, 2010 | popularity 4.7 / 5 (11) | comments 0 | with audio podcast report

How many species on Earth? 8.7 million

Eight million, seven hundred thousand species (give or take 1.3 million).

Biology / Plants & Animals

created Aug 23, 2011 | popularity 4.4 / 5 (9) | comments 7 | with audio podcast

Scientists take a giant step for people -- with plants!

Science usually progresses in small steps, but on rare occasions, a new combination of research expertise and cutting-edge technology produces a 'great leap forward.' An international team of scientists, whose ...

Biology / Biotechnology

created Jul 28, 2011 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Ultraviolet protection molecule in plants yields its secrets

Lying around in the sun all day is hazardous not just for humans but also for plants, which have no means of escape. Ultraviolet (UV) radiation from the sun can damage proteins and DNA inside cells, leading ...

Biology / Plants & Animals

created Feb 09, 2012 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Research suggests cells communicate via biophotons

(Phys.org) -- Biologists have long been familiar with luminescence in organisms, where plants and animals produce visible light, but more intriguing perhaps is the newer field of study centered around biophotons, ...

Biology / Other

created May 23, 2012 | popularity 4 / 5 (7) | comments 1 | with audio podcast weblog

Plants disappear as a result of climate changes: study

Climate changes mean that species are disappearing from European mountain regions. This is shown by new research involving biologists from the University of Gothenburg, the results of which are now being publishing ...

Biology / Ecology

created May 08, 2012 | popularity 4.2 / 5 (5) | comments 1

Plant branching hormone discovered

(PhysOrg.com) -- In an important breakthrough, plant biologists at The University of Queensland have identified a hormone that plays a key role in determining the size and shape of plants.

Biology / Biotechnology

created Jul 08, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Plant life not a villain in methane emissions debate

(PhysOrg.com) -- A comprehensive investigation of plant emissions led by University of South Australia molecular biologist Dr Ellen Nisbet has put pay to the assertion that plants are producing and releasing ...

Biology /

created Jan 14, 2009 | popularity 2.8 / 5 (6) | comments 1

A pitcher perfect relationship

(PhysOrg.com) -- It seems counterintuitive, but in rare cases carnivorous plants and herbivorous animals nourish each other in a mutually beneficial relationship.

Biology / Plants & Animals

created Jul 05, 2011 | popularity 5 / 5 (3) | comments 2 | with audio podcast

A major step forward towards drought tolerance in crops

When a plant encounters drought, it does its best to cope with this stress by activating a set of protein molecules called receptors. These receptors, once activated, turn on processes that help the plant ...

Biology / Biotechnology

created Dec 19, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Biologists monitor crocodiles at nuclear plant

(AP) -- An unexpected but fruitful relationship has blossomed between two potent forces in the swamps of South Florida: the American crocodile, and a nuclear power plant.

Biology / Ecology

created Dec 06, 2011 | popularity 4.3 / 5 (3) | comments 0

Alternative-energy innovations on display

Climate change is in dispute. Oil and gas are staging a comeback. Republicans are questioning federal funding for energy research as a waste of money in a time of deficits.

Technology / Energy & Green Tech

created Mar 06, 2012 | popularity 3.7 / 5 (3) | comments 1

Plant genomes may help next generation respond to climate change

In the face of climate change, animals have an advantage over plants: They can move. But a new study led by Brown University researchers shows that plants may have some tricks of their own.

Biology / Biotechnology

created Oct 06, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast