Godwits are flexible, when they get the chance

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1. Pembrolizumab shows real promise against head and neck cancer, study suggests Immunotherapy with the anti-PD-1 antibody pembrolizumab decreased the size of tumors by 30 percent or more in 24.8 percent of 132 patients with recurrent or metastatic head and neck cancer. That's nearly twice as effective as the current preferred treatment....
2. Stem cell switch on the move The roots of a plant are constantly growing, so that they can provide the plant with water and minerals while also giving it a firm anchor in the ground. Responsible for these functions are pluripotent stem cells. In order to avoid differentiation and to remain pluripotent, these stem cells are dependent on signals from their neighboring cells. These signals are generated by only a small group of slowly dividing cells in the so-called quiescent centre inside the root. Biologists can now demonstrate how signals in plant roots determine the activity of stem cells....
3. Sharp-eyed Alma spots a gigantic flare on famous red giant star Super-sharp observations with the telescope Alma have revealed what seems to be a gigantic flare on the surface of Mira, one of the closest and most famous red giant stars in the sky. Activity like this in red giants - similar to what we see in the Sun -- comes as a surprise to astronomers. The discovery could help explain how winds from giant stars make their contribution to our galaxy's ecosystem....
4. Colorectal cancer genetically different in older and younger patients While the overall rate of colorectal cancer (CRC) is declining, CRC specifically among young patients is increasing. Previous studies have shown that CRC in patients younger than 50 years old tends to be more aggressive than CRC in older patients. A new study offers early evidence of genetic differences between CRC in young and old patients, possibly pointing toward different treatments and strategies in combating the young form of the disease....
5. New ‘designer carbon’ boosts battery performance Scientists have created a new carbon material that significantly improves the performance of batteries and supercapacitors....