Joshua A. Krisch

Joshua A. Krisch is a science writer at Rockefeller University and former Science Editor for Fatherly. He produces videos and podcasts and has written for publications such as The New York Times, The Atlantic, The Scientist, Scientific American, and more.


Data Clearly Shows Preschool Benefits Kids — And Society As A Whole

The U.S. government invests $37 billion per year on early childhood programs. And it’s working.


Young Potheads Become Pothead Parents, Study Says

Even though people cut back on marijuana when they become parents, many continue to take the occasional puff.

Personal Hygiene

Why Preteens Smell Bad As Puberty Gets Started

Stinking is a perfectly normal part of growing up and, with a little science, parents can guide their children through the smelly years with minimal olfactory damage.


Can Dad Comfort Kids As Effectively As Mom?

What is it about a mother’s touch that children embrace — and what is it about a father’s comforting ability that seems to fall short?

Blended Families

How To Be A Good Stepdad, According To Science

Stepparents who jump into parenting roles without first building up rapport with their stepchildren do more harm than good.


Baby Kicking 101: When, Why, And How Babies Kick In The Womb

Physicians recommend you start tracking your baby’s kicks at the beginning of the third trimester.

Child Development

Are Sippy Cups Bad For Kids? Experts Weigh In.

In moderation, sippy cups can be powerful tools that teach children independence and keep them hydrated. But there is some developmental risk.

Car Safety

The Reassuring Physics Of The Rear-Facing Car Seat

A 20-pound toddler traveling at 30 mph will require 600 pounds of restraining force to keep them in place.


Is The Occasional Glass Of Wine During Pregnancy Really So Bad?

Alcohol and pregnancy don't mix, at least not in any great quantity. But what about a moderate amount? The science is...hazy.

Mental Health

Anxiety In Children: How Parents Can Identify The Signs And Help Kids Cope

It's crucial parents understand anxiety in kids so they can help — whether that means therapy, medication, or developing new coping skills.


The Case Against Wanting, Having, Or Getting Six-Pack Abs

Ab workout routines are a drag and generally pretty unhealthy. Also, surveys suggest women don't care. Maybe just calm down and eat a burrito.

Child Development

Are Big-Headed Babies Smarter?

Preliminary studies have suggested links between brain size, head size, and IQ. But head circumference isn't directly correlated with intellect.


Don’t Get Along With Your Mother-In-Law? You’re Not Alone.

But it's crucial to get past your in-law issues, for the sake of your kids.


The Science Of Dad And The ‘Father Effect’

There are data-driven reasons why kids do better with a father figure in their lives.

Family Bonds

Brother, Sister, Rival, Friend: The Longstanding Effects Of Sibling Relationships

Siblings may have as powerful an effect on one another's lives as parents do.


Republicans Have More Kids Than Democrats. A Lot More Kids.

Red States have more kids than Blue States.

Teen Health

What Percentage Of Teens Are Having Sex In High School?

Parents have a tendency to overestimate how much sex teenagers are having, but the reality is concerning for different reasons.

Child Development

The Five Stages Of Self-Awareness Explain What Babies See In The Mirror

That's a mirror (Level 1), there's a person in it (Level 2), that person is me (Level 3), that person is going to be me forever (Level 4), and everyone else can see it (Level 5).


Why Babies Stop Crying When Parents Stand Up

The biological reasons are deep-seated and common across species.


Here’s The Data On Average Penis Size And Length

Most men are about five inches long — and most women are fine with that.