The Effect of Cognitive Behavioral Group Therapy on Children's Self-Esteem.

(1) Background: Self-esteem plays an important role in developing emotional resilience and wellbeing in children. Yet, there has been little related research on Cognitive Behavioral Group Therapy on this topic. Our aims were to assess the effect of the Child Self-Esteem CBT (CSE-CBT) protocol on children's self-esteem in grades five and six; to assess the effect of the CSE-CBT protocol on the therapeutic process; and to explore the feasibility of delivering the CSE-CBT protocol in a school setting.

Continued Participation of Israeli Adolescents in Online Sports Programs during the COVID-19 Pandemic Is Associated with Higher Resilience.

Coronavirus disease 2019 (COVID-19) has forced adolescents to adapt rapidly to a new reality of physical and social distancing, while introducing a range of new sources of stress and adversity. Our primary aim was to study the relationship between adolescents' resilience and their participation in online sports programs during the COVID-19 pandemic lockdown period. Our secondary aims were to assess the associations between the organized sports programs' determinants and resilience.

FLAGELLAR MOTILITY IS NOT INVOLVED IN THE INCORPORATION OF THE SPERM INTO THE EGG AT FERTILIZATION.

Cinemicrography of sea urchin fertilization reveals that the fertilizing sperm is one of the first sperm to attach to the egg. Just before the cortical reaction the fertilizing sperm ceases motility and then is incorporated into the egg without flagellar beating. The rate of incorporation is 5-11 μm/sec and is constant.