Science

Eurasian Shrews’ Skulls Shrink with Season, Study Shows

According to a study led by Dr. Javier Lazaro of the Max Planck Institute for Ornithology, the skulls of Eurasian shrews (Sorex araneus) shrink in anticipation of winter, by an average of 15.3%; as spring approaches, their skulls grow again to approach their previous size. The study appears in the …

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Study Challenges Long-Held Evolutionary Theory

Researchers involved in the E. coli long-term evolution experiment (LTEE) have debunked an established evolutionary theory with a study that provides a ‘high-resolution’ view of the molecular details of adaptation. This illustration depicts a 3D computer-generated image of a group of Escherichia coli. Image credit: James Archer, CDC. “Evolutionary adaptation …

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New Bird Species Discovered in Peru: Machaeropterus eckelberryi

A new species of manakin, called Machaeropterus eckelberryi, has been discovered in the foothills of southwestern Loreto and northern San Martín departments, Peru. Machaeropterus eckelberryi. Image credit: Andy Kratter, Florida Museum of Natural History. Machaeropterus eckelberryi was first sighted in the Cordillera Azul, an isolated mountain ridge in Peru, in …

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Amalthea Casts Shadow on Jupiter

On September 1, 2017, NASA’s Juno spacecraft witnessed a remarkable cosmic event — a small Jovian moon called Amalthea blocked the sunlight and cast a shadow on the face of the gas giant. Amalthea casts a shadow on Jupiter in this image captured by NASA’s Juno spacecraft; the elongated shape …

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New Research Reveals Origin of Ceres’ Organic Matter

Organic-rich materials found on Ceres by NASA’s Dawn orbiter are native to the dwarf planet, according to new research led by Southwest Research Institute planetary researcher Simone Marchi. Dawn data show a region around Ceres’ Ernutet crater where organic concentrations have been discovered; the color coding shows the surface concentration …

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