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Studying Bumblebees Bite

Leaves of Flowerless Plants to Stimulate Earlier Flowering Bumblebees rely heavily on pollen resources for essential nutrients as they build their summer colonies. Therefore, annual differences in the availability of these resources must simply be tolerated, but a team of researchers from ETH Zürich and the Universite Paris-Saclay made observations …

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Regular Hand Washing

Study:Reduces Personal Risk of Acquiring Seasonal Coronavirus Infection Study: Regular Handwashing Reduces Personal Risk of Acquiring Seasonal Coronavirus InfectionIn a new study looking at 1,633 participants of the England-wide Flu Watch project, a team of researchers found that moderate-frequency handwashing (6-10 times per day) was associated with a reduced overall …

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Rice Grains in Uzbekistan

Archaeologists Find 1,750-Year-Old Cultivated Rice Grains in Uzbekistan A team of archeologists from China, Uzbekistan, and Germany has found evidence that japonica-like rice was an important food in Central Asia as early as 250 CE. Botanical remains from the Khalchayan site, Uzbekistan: (1-2) Oryza sativa; (3) Hordeum vulgare; (4) Triticum …

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Single Celled Alga Genome

Scientists Sequence An international team of researchers has successfully sequenced the genome of Penium margaritaceum, a single-celled alga species that belongs to Zygnematophyceae, the sister lineage to land plants, provides many clues to how aquatic plants first colonized land. Penium margaritaceum. Image credit: Cornell University. Penium margaritaceum belongs to a …

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Wooden Throwing Stick

300,000-Year-Old Wooden Throwing Stick Found in Germany A team of archaeologists from the University of Tübingen and the University of Liège has unearthed a well-preserved wooden throwing stick at the Middle Pleistocene open-air site at Schöningen in northern Germany. The 300,000-year-old wooden throwing stick at Schöningen 13 II-4, Germany. Image …

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Snow Algae Blooms

Researchers Map Green Snow Algae Blooms in Antarctica Using data from ESA’s Copernicus Sentinel-2 mission and two field campaigns, a team of UK scientists has identified 1,679 blooms of Antarctic green snow algae, seasonally covering 1.95 km2 and equating to 1,300 tons total dry biomass. A photograph showing a snow …

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Origin of Life’s Handedness

Cosmic Rays May Have Played Key Role in Origin of Life’s Handedness Living organisms comprise a system of molecules organized with specific handedness. Handedness — or chirality — is the geometric property of an object that cannot be superimposed on its mirror image. In a paper published in the Astrophysical …

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Memory in Older Adults

Aerobic Exercise Improves Memory in Older Adults, New Study Finds Aerobic exercise boosts blood flow into two key regions of brain associated with memory: the anterior cingulate cortex and the hippocampus, according to new research led by neuroscientists from the University of Texas Southwestern Medical Center. Positive effects of aerobic …

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Ancient Ice Covered Lake

Curiosity Finds Evidence of Mars’ Ancient Ice-Covered Lakes Using data from the Sample Analysis at Mars (SAM) instrument on NASA’s rover Curiosity, researchers have found that certain minerals in rocks at Gale Crater, the 150-km-wide ancient basin that Curiosity is exploring, may have formed in an ice-covered lake during a …

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300,000 Old Elephant

Archaeologists Find 300,000-Year-Old Elephant Skeleton in Germany A team of archaeologists from the Senckenberg Centre for Human Evolution and Palaeoenvironment at the University of Tübingen, the Lower Saxony State Office for Heritage, and Leiden University has unearthed a nearly complete skeleton of the straight-tusked elephant (Palaeoloxodon antiquus), an extinct species …

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