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Max-Planck-Gesellschaft


A neural mosaic of tones

Researchers created frequency maps for most of the 11 auditory cortex fields (ACFs) and observed a periodic pattern of topographic preference for certain frequencies. The ACFs were divided into two groups, with three core fields reacting to individual frequencies in simple sounds like tones.

SourceMax-Planck-Gesellschaft·JournalPLOS Biology·DateJun 22, 2006

A catalogue of proteins

Researchers have identified over 1400 proteins in liver cells of mice, mapping their locations in ten different compartments. The study's findings show that around 40% of these proteins also appear in other cell organs, suggesting a high degree of conservation across species.

SourceMax-Planck-Gesellschaft·JournalCell·DateMay 29, 2006

A tumour suppressor in mice and men

A team of researchers from Munich discovered a cellular mechanism that protects against tumours by controlling the Bcl-3 oncogene. The study identified Cyld as a potential tumour suppressor, which can accumulate around the nucleus and prevent Bcl-3 from entering it.

SourceMax-Planck-Gesellschaft·JournalCell·DateMay 29, 2006

Nervous inhibitions

Scientists find VIAAT enables joint storage of GABA and glycine in vesicles, refuting dogma that GABA release is crucial for nerve cell growth. VIAAT mutant mice develop normally despite GABA and glycine release elimination.

SourceMax-Planck-Gesellschaft·JournalNeuron·DateMay 29, 2006

The molecular post office inside the cell

The signal recognition particle (SRP) complex plays a crucial role in sorting secretory and membrane proteins, determining their final destination within or outside the cell. By understanding its structure, researchers can uncover key events during protein sorting, essential for expressing these proteins correctly.

SourceMax-Planck-Gesellschaft·JournalScience·DateMay 12, 2006

Unraveling the mysteries of poison

Scientists from the Max Planck Institute determined how toxins interact with bacterial potassium channels at an atomic level. They found that toxins attach to a particular area of the channel, changing its structure, and recognize specific amino acid sequences in the ion channel.

SourceMax-Planck-Gesellschaft·JournalNature·DateApr 13, 2006

Laser wave steers electrons in chemical bonds

A Dutch-German research team has successfully controlled a chemical reaction by steering the motion of electrons with ultrashort laser pulses. The team used phase-controlled laser pulses to manipulate the timing of electron motion, leading to a preferential emission of deuterium ions and atoms in specific directions.

SourceMax-Planck-Gesellschaft·JournalScience·DateApr 13, 2006

Tastier tomatoes in the future?

Scientists have identified specific DNA fragments in tomatoes that influence their nutritional content and taste. By analyzing these fragments, researchers can develop targeted breeding strategies to create healthier and tastier tomatoes.

SourceMax-Planck-Gesellschaft·JournalNature Biotechnology·DateMar 24, 2006

Salmonella caught red-handed

Researchers identify key proteins in Salmonella metabolic paths, finding that blocking certain enzymes may not be effective against the bacteria. Only a few essential enzymes are necessary to keep Salmonella alive, and these are also present in other pathogens or human organisms.

SourceMax-Planck-Gesellschaft·JournalNature·DateMar 15, 2006

Ice volcanoes on Saturn's moon Enceladus

Scientists have found evidence of volcanic activity on Enceladus, a key player in shaping the E ring. The discovery sheds light on the dynamics of ice particles in Saturn's system and challenges existing assumptions about how the moon contributes to the ring's mass distribution.

SourceMax-Planck-Gesellschaft·JournalScience·DateMar 14, 2006

A high-speed camera records turbulence

A research team led by Professor Eberhard Bodenschatz has experimentally tested two theories on how particles separate in strong turbulence. The results, which agree with George Batchelor's predictions but not the Richardson-Obukhov law, suggest that particles move more slowly away from each other than previously assumed.

SourceMax-Planck-Gesellschaft·JournalScience·DateMar 6, 2006

Electrons flying 'backwards' in Saturn's sky

Researchers at the Max Planck Institute for Solar System Research discovered 'anti-planetary' electron rays on Saturn that fly away from the planet, similar to those observed on Earth. These findings suggest a fundamental process underlying polar lights, which were previously only seen on our planet.

SourceMax-Planck-Gesellschaft·JournalNature·DateMar 6, 2006

Chimpanzee cooperators

In a study at Ngamba Island Chimpanzee Sanctuary in Uganda, chimpanzees were found to understand when they needed help and chose the best collaborative partner. They recognized individual strengths and weaknesses among chimps, such as Mawa's poor cooperation skills, and consistently selected Bwambale as their preferred partner.

SourceMax-Planck-Gesellschaft·JournalScience·DateMar 2, 2006

Baby's helping hands

A study by Felix Warneken and Mike Tomasello found that children as young as 18 months willingly helped complete strangers, even without any reward. The children's ability to infer when someone needed help suggests a natural inclination towards altruism.

SourceMax-Planck-Gesellschaft·JournalScience·DateMar 2, 2006

What is the lifetime of positronium ions?

Physicists at Max Planck have measured the lifetime of positronium ions six times more precisely than before, finding an average lifespan of almost half a nanosecond. This closely matches predicted values and provides an interesting model system for quantum mechanics.

SourceMax-Planck-Gesellschaft·JournalPhysical Review Letters·DateFeb 23, 2006

Nanostructures in 3D

The new microscope enables crystallographic information to be measured at a lateral resolution of about 40 cubic nanometres, and depending on the material, even more finely. Researchers have already used it to study steel-related iron-aluminium intermetallic alloys, which show promise for high-temperature gas turbines.

SourceMax-Planck-Gesellschaft·JournalActa Materialia·DateFeb 23, 2006

The cosmos glows unevenly

The H.E.S.S. collaboration has discovered gamma-ray emission from a complex of gas clouds near the Milky Way Galaxy's centre, revealing a prehistoric particle accelerator. The density of cosmic rays exceeds that in the solar neighbourhood, suggesting recent acceleration.

SourceMax-Planck-Gesellschaft·JournalNature·DateFeb 15, 2006

Controlled corrosion

Scientists study Cu3Au alloy's corrosion behavior, observing the formation of a protective passivation layer that protects against further corrosion. Controlled corrosion allows for nanometric-scale material structuring, potentially leading to new catalysts with high surface areas.

SourceMax-Planck-Gesellschaft·JournalNature·DateFeb 10, 2006

Trace the money

Researchers from Max Planck Institute used data from a popular internet game to analyze banknote movements, finding universal scaling laws that govern human travel behavior. These laws provide insight into the statistical rules governing the spread of diseases.

SourceMax-Planck-Gesellschaft·JournalNature·DateJan 25, 2006

How nerve cells stay in shape

Researchers identified Staufen2 as essential for maintaining synapses in nerve cells. The absence of Staufen2 leads to impaired signal transmission and altered synapse structure, suggesting mRNA transport is crucial for their maintenance.

SourceMax-Planck-Gesellschaft·JournalCell Biology·DateJan 17, 2006

Anti-adhesive layers leave no hope for insects

Researchers from Max Planck Institute for Metals Research and University of Hohenheim investigate the effect of two-layered crystalline wax on insect attachment. The upper layer contaminates insects' feet, while the lower layer reduces contact area between feet and substrate, resulting in slippery zone that traps insects.

SourceMax-Planck-Gesellschaft·JournalJournal of Experimental Biology·DateJan 13, 2006

The forgotten methane source

Researchers from the Max Planck Institute for Nuclear Physics found that living plants emit significantly more methane than dead plant material, and this process is not hindered by oxygen. The discovery suggests that about 10-30% of global annual methane production comes from plants, with tropical regions being the largest contributors.

SourceMax-Planck-Gesellschaft·JournalNature·DateJan 11, 2006

The secret love life of plants

Scientists at Max Planck Institute and University of Cologne isolate mutant Arabidopsis thaliana with single sperm cell, allowing it to germinate and fertilize. The researchers found that a positive signal from the egg cell's fertilization triggers endosperm proliferation.

SourceMax-Planck-Gesellschaft·JournalNature Genetics·DateDec 8, 2005

'Huygens' finds a hostile world on Titan

The Huygens probe has revealed that Titan's surface is a barren, 'river' landscape where water ice congeals like stone. Methane plays a similar role to water on Earth, existing in solid, liquid, and gas states. The dense atmosphere has conditions similar to those early in our solar system.

SourceMax-Planck-Gesellschaft·JournalNature·DateDec 8, 2005

Snapshots at the atomic border

Researchers use high-resolution transmission electron microscope to study interactions at solid-liquid interfaces, observing density fluctuations and atom ordering in liquid aluminium. The findings suggest that crystals can induce the ordering of atoms in liquids, even in metal-ceramic systems at high temperatures.

SourceMax-Planck-Gesellschaft·JournalScience·DateNov 28, 2005

Marathon of nano-sprinters

Researchers from Max Planck Institute discovered that a small number of molecular motors can pull cargo particles over long distances. By working together, the motors can overcome their individual limitations and achieve remarkable feats.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateNov 14, 2005

Can anthrax be controlled?

A newly discovered protein called alpha-defensin can kill Bacillus anthracis bacteria, the causative agent of anthrax. The skin form of anthrax is harmless due to neutrophils' ability to identify and kill microbes, whereas the lung form remains fatal, prompting hope for new treatments.

SourceMax-Planck-Gesellschaft·JournalPLOS Pathogens·DateNov 10, 2005