Researchers analyzed DNA from a 40,000-year-old jawbone from Romania and found that six to nine percent of the person's genome came from Neandertals. This shows that some of the first modern humans in Europe mixed with local Neandertals around this time.
Researchers found that three- and five-year-old children are just as likely to respond to the needs of another individual as they are to their own. This suggests a core component of a sense of justice based on empathy, which is central to human prosociality and punishment.
Researchers found that H. pylori infection causes distinct DNA damage patterns in human cells, resembling those seen in gastric cancer. The study suggests a causal link between the bacterium and cancer development.
The discovery of microfossils in rocks dating back 1.5 billion years has confirmed the existence of eukaryotes, shedding light on their evolution and origins. The analysis of steroid molecules revealed no signs of contamination, contradicting previous findings.
Scientists found that people's preconceptions affect the information transmitted, influencing those receiving it. This can lead to an increasingly alarmist perception of potential risks as original messages are reinforced.
Researchers found that bold field crickets suffer from higher mortality rates compared to shy individuals, likely due to increased predation. This study, published in Behavioral Ecology, highlights the importance of considering individual personality traits when studying animal survival and ecology.
Research from Max Planck Institute finds that leaders' brain activity in left temporo-parietal junction synchronizes with followers', predicting leader emergence. The quality, not quantity, of communication determines leadership.
A long-term study on house sparrows found that offspring of older parents produced fewer young. This transgenerational age effect was confirmed by researchers for the first time in free-living animals.
Researchers have discovered seven new genes associated with X-linked intellectual disability, a condition that affects mostly men. The study used genetic analysis to identify mutations on the X chromosome as the cause of the disorder, which has highly variable clinical manifestations.
Scientists generate Moebius strip from laser light to process materials and manipulate microparticles, opening up new possibilities for nanotechnology. The optical tool could also be used to guide nanoparticles on complex paths using optical tweezers.
A novel, non-invasive treatment strategy for Cushing Disease has been discovered using silibinin from milk thistle seeds. The active compound binds to heat shock protein 90, allowing glucocorticoid receptor molecules to dissolve and restore normal ACTH production.
Researchers found that associating foreign-language terms with gestures and images enhances learning outcomes, outperforming methods relying on listening or reading alone. The brain's motor system plays a crucial role in this process.
Scientists have identified the canary genome and deciphered the evolution of hormone-sensitive gene regulation in seasonal singing birds. The study reveals specific evolutionary changes in different parts of the song system that control seasonal singing behaviour.
Researchers from the Max Planck Institute for Dynamics and Self-Organization have developed a new concept that focuses on fully decentral matching of electricity supply and demand. This approach enables smart meters to regulate consumption directly and decentrally, reducing the risk of hacker attacks and data protection issues.
Recent study finds that the global warming slowdown is due to random fluctuations, not systematic errors in climate models. The simulations of climate trends agree well with observations, suggesting that the models are reliable and accurate.
Research found that infant brain activity changes during sleep, forming categories and transferring learned names to similar objects. Infants who slept showed better categorization skills than those who stayed awake, suggesting a significant impact of sleep on memory consolidation.
Researchers at the Max Planck Institute discovered that removing water from collagen fibers dramatically increases their tensile forces, generating up to 300 times more force than human muscles. This finding suggests a more active role for collagen in living organisms and opens new possibilities for developing novel materials.
Scientists have visualized protein degradation in intact nerve cells for the first time, shedding light on how proteasomes remove defective proteins. The study reveals that only a minority of proteasomes are actively degrading proteins in quiescent cells.
Researchers found that tonal languages are more prevalent in humid climates, while simpler tone pitches dominate dry regions. The study suggests that humidity affects vocal fold elasticity and ion balance, making it easier to produce a wide range of tones.
Researchers found that Australopithecus africanus, a 3-2 million-year-old species from South Africa, had a human-like trabecular bone pattern in the hand bones consistent with forceful opposition of the thumb and fingers. This suggests that early humans used their hands to exert precision and power, similar to modern humans.
Physicists have imaged and controlled the motion of two electrons in a helium atom using attosecond-timed laser pulses. By varying the interval between the ultraviolet and visible pulses, they created a movie of the electronic dance and even influenced its rhythm.
A study found that a sugary diet before mating triggers obesity in offspring, while certain gene networks predict susceptibility to weight gain. The researchers also identified similar mechanisms in humans and mice.
Researchers at Max Planck Institute of Psychiatry developed the first potent and highly selective inhibitor of FKBP51, called SAFit-ligand. This inhibitor enhances neuronal cell growth and improves stress-coping behavior in mice, providing a structural and functional basis for mechanistically novel antidepressant treatment.
Researchers at Max Planck Institute of Molecular Physiology studied the three-dimensional structure of the ryanodine receptor using electron cryo-microscopy and a new technique for detecting electrons. The high-resolution structure reveals how the protein changes its shape upon binding calcium ions.
A research team analyzed gyrencephaly index of 100 mammalian brains to identify a threshold value that separates species into two groups: highly folded and less folded. The study found differences in cortical folding did not evolve linearly across species, with life-history traits influencing brain development.
Scientists at Max Planck Institute find millions of gene forms, 85% genes without predominant form, and 4,000 disease genes. The dual nature of human genomes reveals individual diversity in interactions between genes.
Research reveals Chlamydia trachomatis breaks down protective protein p53, allowing cells to mutate and develop into cancer. The bacterium exploits this mechanism to survive within host cells, posing a potential risk for cancer development.
Researchers observed the evolution of simple self-reproducing groups of cells from individual cells, revealing a reproductive division of labour. Cheats that initially exploited others' cooperation eventually became seeds for future generations, leading to the emergence of multicellular organisms with improved fitness.
A study found that two-year-old children conform to the behavior of their peers more often than great apes. Children conformed more than half the time, while chimpanzees and orangutans stuck to their learned strategy.
Researchers found that individuals can control cooperative behavior in large groups by acting generously or punishing egoistic behavior. However, the effectiveness of these strategies decreases with an increasing number of players.
Researchers found that zebra finch pairs utilize their innate calls for bonding and cohesion, with brain activity correlating to these calls. This suggests an evolution of songbirds' brain regions from simple vocalization systems to specialized networks for learned songs.
Researchers studied wild chimpanzee behavior in the Taí National Park, finding that they plan their breakfast time, type, and location to access limited figs. Chimpanzees depart earlier for distant fig sites, positioning their nests near these locations to maximize food acquisition.
Researchers identified FoxO1 as a key molecule regulating cell division in vascular wall cells, leading to pulmonary hypertension. Boosting FoxO1 activity has been shown to normalize pathological cell division and potentially cure the disease in rats.
Researchers at Max Planck Institute discover that neurotransmitter vesicles are already in close contact with the cell membrane before fusion occurs. This discovery provides insight into how synapses rapidly transmit information and could lead to new medical research benefits.
A study found that each additional euro spent on pensions and public health insurance in Eastern Germany increased life expectancy by 3 hours. Public health care had a greater impact, contributing 2.5 times more to life expectancy than pension payments.
A recent study by George Wang and Michael Dillon found that climate change has increased daily and annual temperature cycling globally. This altered temperature variability can lead to increased crop damage from pest insects and changes in plant seasonal behavior.
A study by Max-Planck Institute found that great tits' risk-taking behaviour correlates with both metabolic rate and ambient temperature. Birds with high metabolic rates and low temperatures were more likely to approach predators.
Researchers from Max Planck Institute and Cornell University detect iso-propyl cyanide, a branched carbon molecule, in a giant gas cloud called Sagittarius B2. The discovery opens a new frontier in the complexity of molecules found in regions of star formation.
Researchers developed an optical method called iSCAT to detect individual proteins, such as those in cancers, using scattered light shadows. The method promises more sensitive diagnoses and sheds light on fundamental biochemical processes.
Physicists successfully transmit a flash of light in a sensitive quantum state through the atmosphere, enabling secure quantum communication. The technology has potential advantages over current methods, including ability to transmit in sunlight and higher transmission rates.
Researchers have discovered the origin and behavior of pigment cells that form zebrafish stripes. The yellow cells undergo dramatic changes in cell shape to tint the stripe pattern, while silvery and black cells switch shapes to create a striking contrast between golden and blue colors.
Researchers have found that the growth factor neuregulin-1 can restore balance to impaired Schwann cells in genetically modified rats with Charcot-Marie-Tooth disease. This imbalance leads to insufficient myelination and nerve damage, resulting in symptoms such as numbness and weakness.
Scientists identify a molecule that blocks the effect of jasmonic acid, a plant hormone involved in flower formation, root growth and defence against herbivores. The discovery was made using a biological selection process involving intact plants.
Scientists at the Max Planck Institute re-activated an ancient gene, FOXN4, which led to the development of a fish-like thymus in mice. This finding suggests that the immune system's core organs may have evolved from a common ancestor with jawed fish.
Researchers at Max Planck Institute show that supplying D-lactate or glycolate, two products of the gene DJ-1, can restore mitochondrial activity and prevent neuron degeneration in Parkinson's disease. These substances may also have a general role in protecting cells from decline.
Women with postpartum depression exhibit elevated levels of the enzyme monoamine oxidase A in their brains. The study suggests that reducing MAO-A levels could help prevent the condition, with lifestyle strategies like quitting smoking being key to lowering levels.
Scientists discovered consistent alterations in integrative processing of the insular cortex across autism mouse models, with a disturbed balance between excitation and inhibition. Pharmacological interventions, such as Diazepam, restored sensory integration capacity and reduced stereotypic behaviors.
Scientists at the Max Planck Institute for Developmental Biology discovered that proteins can be constructed of similar amino acid chains even when their three-dimensional shapes differ significantly. This suggests that modern proteins arose from common precursors, built up from smaller fragments according to a modular principle.
Researchers at the Max Planck Institute of Molecular Cell Biology and Genetics have developed a method to capture detailed three-dimensional images of cardiac dynamics in zebrafish. By combining high-speed Selective Plane Illumination Microscopy and clever image processing, they reconstructed multi-view movie stacks of the beating heart.
Researchers found that greater mouse-eared bats can calibrate their inner compass using the polarized light of the evening sky. The bats deviated from the control group when exposed to a 90-degree shifted polarization pattern, indicating they used this visual cue for orientation.