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1294 matches found for "PNAS"

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Does the future of reefs belong to pulsating soft corals?

The feathery polyp tentacles of the xeniid soft corals open and shut like birds’ wings. These soft corals make pulsating movements – a rarity among sessile sea organisms. For a long time it was not kn...

Ecology, The Environment and Conservation | nachricht Read more
Soft Matter Offers New Ways to Study How Materials Arrange

The doughnut-shaped droplets, a shape known as toroidal, are formed from two dissimilar liquids using a simple rotating stage and an injection needle. About a millimeter in overall size, the droplets ...

Materials Sciences | nachricht Read more
New era of fisheries policy needed to secure nutrition for millions

Securing the critical contribution of wild fish stocks to food and nutrition security in the developing world depends on better governance and management of the fisheries sector. Fish is a key...

Studies and Analyses | nachricht Read more
Binghamton researcher studies oldest fossil hominin ear bones ever recovered

A new study, led by a Binghamton University anthropologist and published this week by the National Academy of Sciences, could shed new light on the earliest existence of humans. The study analyzed the...

Earth Sciences | nachricht Read more
Become a Marathon Runner with the Protein PGC-1α

The research group of Prof. Christoph Handschin of the Biozentrum, University of Basel, shows that during endurance exercise the protein PGC-1α shifts the metabolic profile in the muscle. The res...

Life Sciences | nachricht Read more
The Black Sea is a goldmine of ancient genetic data

When Woods Hole Oceanographic Institution (WHOI) marine paleoecologist Marco Coolen was mining through vast amounts of genetic data from the Black Sea sediment record, he was amazed about the variety ...

Studies and Analyses | nachricht Read more
Substances in honey increase detoxification gene expression, team finds

New research indicates that the honey bee diet influences the bees’ ability to withstand at least some of these assaults. Some components of the nectar and pollen grains bees collect to manufacture fo...

Life Sciences | nachricht Read more
Hebrew University-German study seeks better understanding

A mechanism that permits essential substances to enter our cells while at the same time removing from them harmful components also has a “down side.” This negative aspect prevents vital drugs, such as...

Studies and Analyses | nachricht Read more
Smoke signals: How burning plants tell seeds to rise from the ashes

In the spring following a forest fire, trees that survived the blaze explode in new growth and plants sprout in abundance from the scorched earth. For centuries, it was a mystery how seeds, some long ...

Ecology, The Environment and Conservation | nachricht Read more
Nanodomains Made Visible

Plants are generally firmly rooted in the ground so that they cannot just move to a different place when the conditions become too dry or uncomfortable in any other way. Therefore, they must be alert ...

Life Sciences | nachricht Read more
Scientists Create Novel Approach to Find RNAs Involved in Long-term Memory Storage

Now, working together, scientists from the Florida campus of The Scripps Research Institute (TSRI), Columbia University and the University of Florida, Gainesville, have developed a novel strategy for ...

Life Sciences | nachricht Read more
The Asian Monsoon is Getting Predictable

For much of Asia, the pace of life is tuned to rhythms of monsoons. The summer rainy season is especially important for securing the water and food supplies for more than a billion people. Its...

Earth Sciences | nachricht Read more
Ocean acidification as a hearing aid for fish?

Ocean acidification, which occurs as CO2 is absorbed by the world's oceans, is known to negatively impact a wide variety of marine animals ranging from massive corals to microscopic plankton. How...

Studies and Analyses | nachricht Read more
Virus-like particles provide vital clues about brain tumours

“Current wisdom says that cells are closed entities that communicate through the secretion of soluble signalling molecules. Recent findings indicate that cells can exchange more complex information – ...

Health and Medicine | nachricht Read more
A novel surface marker helps scientists 'fish out' mammary gland stem cells

Identifying genetic programs that maintain self-renewing capabilities therefore is a vital step in understanding the errors that derail a normal stem cell, sending it on a path to become a cancer stem...

Life Sciences | nachricht Read more
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Overview of the latest five Focus news of the innovations-report:
In the focus: Going live – immune cell activation in multiple sclerosis

New indicator molecules visualise the activation of auto-aggressive T cells in the body as never before

Biological processes are generally based on events at the molecular and cellular level. To understand what happens in the course of infections, diseases or normal bodily functions, scientists would need to examine individual cells and their activity directly in the tissue.

The development of new microscopes and fluorescent dyes in ...

In the focus: Soft Matter Offers New Ways to Study How Materials Arrange

A fried breakfast food popular in Spain provided the inspiration for the development of doughnut-shaped droplets that may provide scientists with a new approach for studying fundamental issues in physics, mathematics and materials.

The doughnut-shaped droplets, a shape known as toroidal, are formed from two dissimilar liquids using a simple rotating stage and an injection needle. About a millimeter in overall size, the droplets are produced individually, their shapes maintained by a surrounding springy material made of polymers.

Droplets in this toroidal shape made ...

In the focus: Functional films for the displays of the future

Frauhofer FEP will present a novel roll-to-roll manufacturing process for high-barriers and functional films for flexible displays at the SID DisplayWeek 2013 in Vancouver – the International showcase for the Display Industry.

Displays that are flexible and paper thin at the same time?! What might still seem like science fiction will be a major topic at the SID Display Week 2013 that currently takes place in Vancouver in Canada.

High manufacturing cost and a short lifetime are still a major obstacle on ...

In the focus: A New Type of Laser

University of Würzburg physicists have succeeded in creating a new type of laser.

Its operation principle is completely different from conventional devices, which opens up the possibility of a significantly reduced energy input requirement. The researchers report their work in the current issue of Nature.

It also emits light the waves of which are in phase with one another: the polariton laser, developed ...

In the focus: Competition in the Quantum World

Innsbruck physicists led by Rainer Blatt and Peter Zoller experimentally gained a deep insight into the nature of quantum mechanical phase transitions.

They are the first scientists that simulated the competition between two rival dynamical processes at a novel type of transition between two quantum mechanical orders. They have published the results of their work in the journal Nature Physics.

“When water boils, its molecules are released as vapor. We call this ...

All Focus news of the innovations-report >>>

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