Notes from the first 400 weeks
Stories, research notes, and short essays on the science of childhood development — written for parents who want depth without the noise.
Trust should be inspectable
Trust in health-adjacent technology should rest on three separate layers: scientific quality, accountable governance, and verifiable provenance.
Read the full storyIndependence is a design choice
Scientific advisors create value through judgment, not decoration. Independence depends on scope, disclosure, recusal, dissent, and a real ability to change the work.
Read the full storyThe sea turtle’s first crawl
A baby loggerhead’s first hours reveal what one-shot windows in biology can teach us about the first 400 weeks of a child’s life.
Read the full storyThe difficult work of keeping guidance current
Evidence changes, guidance changes, and good products must change with it. The real scientific work begins after the first review.
Read the full storyStrong, mixed, or limited: saying what the evidence can bear
Strong, mixed, and limited are not verdicts on whether a topic matters. They are signals about how much confidence the available research can support.
Read the full storyWhy one expert is not enough
A child is not a collection of separate topics. Here is why Resilient Kids maps content across 31 advisory lanes instead of relying on one all-purpose expert.
Read the full storyWhat “expert reviewed” should actually mean
A name in a footer is not a review process. Five questions families and professionals should be able to ask whenever a platform says its guidance is expert reviewed.
Read the full storyNew journal entries explore the science, governance, and stories behind the first 400 weeks.