How melatonin promotes sleep: « Melatonin is a naturally produced molecule that has long been suspected to play a role in healthy sleep, but it has been unclear how it does so. Now, Caltech researchers have discovered a mechanism through which melatonin promotes sleep. »

ADHD-related traits may intensify chronic pain through anxiety and negative thinking. Findings support the idea that pain is not merely physical in nature, but that mental and neurological traits may play a bigger role than thought

After the guns fall silent, violence follows children home across Africa for years to come. For the first time, a study has shown a direct link between political violence and violence against children, adolescents and young adults perpetrated by family members, acquaintances and peer groups

Fathers who worry about divorce tend to develop greater distrust in political institutions over time. The subjective fear of family instability can spill over into a broader dissatisfaction with government. This highlights a unique source of political disaffection among men.

New control software lets robots learn from each other even if they have different hardware | Demonstrate once, execute on many: Kinematic intelligence for cross-robot skill transfer

Toxins plus climate harms likely cause of reduced fertility, study finds

Terms like “sex worker” and “escort” carry less stigma and are viewed more positively than words like “prostitute” and “hooker.” This implies that shifting the language used in media and legal settings might help reduce prejudice against these professionals.