Major fall in diabetes-related amputations since the 1990s A significant reduction in diabetes-related amputations since the mid-1990s has been identified by a new study. Researchers credit this decline to improvements in diabetes care over this period.
How cells in the developing ear 'practice' hearing Before the fluid of the middle ear drains and sound waves penetrate for the first time, the inner ear cells of newborn rodents practice for their big debut. Researchers report they have figured out the molecular chain of events that enables the cells to make 'sounds' on their own, essentially 'practicing' their ability to process sounds in the world around them.
Opsins, proteins better known as visual sensors, play a role in the heat-seeking movement of sperm Sperm use multiple navigation systems, such as heat-seeking and chemical, new research shows. Opsins – proteins involved in the visual system – contribute to the heat-seeking movement, helping sperm sense warmth, investigators report.
Oxytocin increases social altruism Nowadays, much emphasis is placed on sustainability. The degree to which people are willing to donate their own money for this depends on their level of oxytocin. Scientists have discovered that the willingness to donate increases with the quantity of this bonding hormone. However, oxytocin only has an effect with regard to social sustainability projects. The hormone does not increase the ability to participate in the case of purely environmentally oriented projects
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