Scientists have recently developed ways to grow a variety of useful items in laboratories, from meat and diamonds to retinas and other organoids. At the RIKEN Center for Biosystems Dynamics Research in Japan, a team led by Takashi Tsuji has been working on ways to regenerate lost hair from stem cells. In an important step, a new study identifies a population of hair follicle stem cells in the skin and a recipe for normal cyclical regeneration in the lab.
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IMAGE: Low-income mothers feminize their children in the womb by adjusting their hormones, whereas high-income mothers masculinize their children, a major study based on finger length, led by a Swansea University. view more
Credit: John Manning, Swansea University
Low-income mothers feminize their children in the womb by adjusting their hormones, whereas high-income mothers masculinize their children, a major study based on finger length, led by a Swansea University expert, has found.
The phenomenon is an unconscious evolutionary response aimed at boosting their offspring s chances of successful reproduction.
It helps, in part, explain associations between low income, low levels of testosterone before birth, and major causes of mortality such as cardiovascular disease.
A warmer global climate can cause mutations to have more severe consequences for the health of organisms through their detrimental effect on protein function. This may have major repercussions on organisms ability to adapt to, and survive in, the altered habitats of the future. This is shown in a new Uppsala University research study now published in the scientific journal
Credit: NYU/NYU Abu Dhabi Global TIES for Children
Abu Dhabi, UAE, February 2, 2021: Adolescent mothers often fall through the cracks of educational programming. This is highly problematic given that globally an estimated 12 million girls between the ages of 15-19, and 777,000 girls under the age of 15, give birth each year. In populations affected by conflict and displacement, adolescent girls have an increased likelihood of becoming mothers due to various factors, such as disruptions to schooling, the loss of family members, poverty, gender-based violence, and poor access to healthcare and sexual and reproductive services and resources. There is a lack of support programs for these young mothers, and a continuing need for educational programming.
New research has found that the mating behaviour of crickets is significantly affected by traffic noise and other man-made sounds. When man-made noise pollution was present, the females didn t take into account the courtship song of the male crickets during mating. As the courtship song is energetically costly and provides crucial information about the health of the male, this could affect long-term population viability as females could choose less suitable mates.