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Large mammals were the architects in prehistoric ecosystems

Research shows that temperate ecosystems consisted of a mosaic of closed and semi-closed forests and parkland created by large grazers. The study also found that woodland beetles were less dominant in the previous interglacial period than in the early Holocene, indicating a shift towards more forested landscapes after human arrival.

SourceAarhus University·JournalProceedings of the National Academy of Sciences·DateMar 3, 2014

Probing the edge of chaos

Researchers find fractal distribution of physical characteristics at edge of chaos, deviating from previously reported bell-curve shape. This discovery could improve understanding of chaotic natural phenomena.

SourceSpringer·JournalThe European Physical Journal B·DateFeb 27, 2014

Greece's deepening health crisis

A new study reveals that Greece's health system is deteriorating due to severe austerity measures, leading to a rise in infectious diseases and mental health issues. The country has experienced significant cuts to its healthcare budget, resulting in reduced access to medical care for many patients.

SourceUniversity of Oxford·JournalThe Lancet·DateFeb 20, 2014

Inside out at the 2014 AAAS meeting: The impact of gut flora on diabetes and obesity

Recent research highlights the critical role of gut flora in diabetes and obesity, with studies suggesting a strong connection between the two. The CommHERE consortium, comprising nine European institutions, has brought together leading experts to discuss their findings on the impact of gut microbiota on metabolic diseases.

Scientific racism's long history mandates caution

Anthropologist Nina Jablonski warns of the dangers of using genomic knowledge to separate people based on genetic endowment or physical features, as it can lead to a new form of 'separate but equal.' She advocates for a more nuanced approach that considers human genetic admixture and individual variability.

Got milk? Evolutionary connection between milk drinking, lactose digestion, and sunlight

A new study published in Molecular Biology and Evolution suggests that strong natural selection acted on lactase persistence in Iberia over the last 7,000 years. The 'calcium assimilation hypothesis' is challenged as sunlight in Iberia allows for vitamin D synthesis, making calcium deficiency less of a concern.

2014 Louis-Jeantet Prize for Medicine

Elena Conti wins the prize for her work on understanding the mechanisms governing RNA quality, transport, and degradation, while Denis Le Bihan receives it for his innovative brain imaging technique that has revolutionized stroke diagnosis and treatment. Both researchers will use the prize money to further their research.

SourceEMBO·DateJan 21, 2014

After a 49-million-year hiatus, a cockroach reappears in North America

A new species of cockroach discovered in Colorado's Green River Formation reveals that the genus Ectobius originated in the New World over 49 million years ago. The finding challenges a long-held assumption about the cockroach's evolutionary history, instead suggesting a complex migration history between the Old and New Worlds.

SourceEntomological Society of America·JournalAnnals of the Entomological Society of America·DateJan 5, 2014

The fate of the eels

Researchers used a new ocean model to simulate the migration of eel larvae from the Sargasso Sea to Europe. The study found that small-scale ocean currents play a crucial role in determining eel population fluctuations and that eels return to specific locations within the Sargasso Sea where their mother spawned.

How hypergravity impacts electric arcs

A new study reveals that hypergravity significantly affects the dynamic changes of electric discharges, causing the plasma channel to move due to external forces. The research has potential applications in improved safety precautions for manned space flights and ion thruster design.

SourceSpringer·JournalThe European Physical Journal D·DateDec 18, 2013