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100 matches found for "physical surroundings"

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Scientists Unravel Evolution of Highly Toxic Box Jellyfish

With thousands of stinging cells that can emit deadly venom from tentacles that can reach ten feet in length, the 50 or so species of box jellyfish have long been of interest to scientists and to the ...

Life Sciences | nachricht Read more
New explanation for nature's hardiest life form

Spore-forming bacteria, present almost everywhere in our environment, can also cause serious infectious diseases, such as tetanus, anthrax, and botulism.Now researchers from Lund University an...

Life Sciences | nachricht Read more
Interfaces: Different for every molecule

Contrary to expectations, structurally different molecules can display different solvent properties at an interface between air and water, researchers in Japan have discovered1. Tahei Tahara a...

Life Sciences | nachricht Read more
Mathematical keys to a sixth sense -- the lateral-line system

Fish and some amphibians possess a unique sensory capability in the so-called lateral-line system. It allows them, in effect, to "touch" objects in their surroundings without direct physical...

Physics and Astronomy | nachricht Read more
Uncovering the secrets of ulcer-causing bacteria

A team of researchers from Boston University, Harvard Medical School and Massachusetts Institute of Technology recently made a discovery that changes a long held paradigm about how bacteria move throu...

Life Sciences | nachricht Read more
First black holes kept to a strict diet, study shows

"The first stars were much more massive than most stars we see today, upwards of 100 times the mass of our sun," said John Wise, a post-doctoral fellow at NASA's Goddard Space Flight Ce...

Physics and Astronomy | nachricht Read more
Carbon Nanoparticles Toxic to Adult Fruit Flies But Benign to Young

Carbon nanoparticles are widely used in medicine, electronics, optics, materials science and architecture, but their health and environmental impact is not fully understood.In a series of expe...

Ecology, The Environment and Conservation | nachricht Read more
UBC researchers find first-ever 'wanderlust gene' in tiny bony fish

Measuring three to 10 centimetres, stickleback fish originated in the ocean but began populating freshwater lakes and streams following the last ice age. Over the past 15,000 years, freshwater stickle...

Life Sciences | nachricht Read more
Spanish scientists develop echo-location in humans

Producing certain kinds of tongue clicks helps people to identify objects around them without needing to see them, something which would be especially useful for the blind."In certain cir...

Medical Engineering | nachricht Read more
How adolescent girls manage stress

Stress and worry amongst teenagers have increased markedly in recent years, especially amongst girls. According to recent statistics from the WHO, as many as seven out of ten teenage girls suffer from...

Health and Medicine | nachricht Read more
Ghost Remains After Black Hole Eruption

This discovery presents astronomers with a valuable opportunity to observe phenomena that occurred when the Universe was very young. The X-ray ghost, so-called because a diffuse X-ray source has remai...

Physics and Astronomy | nachricht Read more
New security and medical sensor devices made possible by metallic nanostructures

The new 'nanosensors', which are based on a fundamental science discovery in UK, Belgian and US research groups, could be tailor-made to instantly detect the presence of particular molecules...

Physics and Astronomy | nachricht Read more
Silica algae reveal how ecosystems react to climate changes

Rapid and extensive climate changes have taken place on several occasions in the past. For example, the latest ice age (lasting from about 115,000 to 11,500 years ago) is characterized by several rapi...

Earth Sciences | nachricht Read more
Suicide in the workplace "contagious"

This connection is also confirmed in a new study from Stockholm University in Sweden and the University of Oxford. But the study also reveals something that was previously unknown: suicide in the work...

Studies and Analyses | nachricht Read more
Tropical lizards can't take the heat of climate warming

However, new research that builds on data collected more than three decades ago demonstrates that lizards living in tropical forests in Central and South America and the Caribbean could be in serious ...

Ecology, The Environment and Conservation | nachricht Read more
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