early childhood development

This stock image shows a baby and father playing at home. New research finds that babies judge the relationship between two people by whether or not they willingly share saliva.

Science

Even babies and toddlers know that swapping saliva is a sure sign of love

6:07pm January 20, 2022

by Nell Greenfieldboyce

For infants, toddlers, and children, one sign of an especially close relationship is if two people do something that involves exchanging saliva, like taking bites from the same piece of food.

Queue Listen Now

A study conducted in six Canadian cities found a link between maternal consumption of fluoride during pregnancy and intelligence of their offspring.

Science
Health & Safety

Can Maternal Fluoride Consumption During Pregnancy Lower Children's Intelligence?

5:15pm August 19, 2019

by Richard Harris

A Canadian study suggests that fluoride consumed by pregnant women can affect the IQ of their children. No single study provides definitive answers, but the findings will no doubt stir debate.

Queue Listen Now

When a child begins to lie, around the age of 4, it's a key sign of age-appropriate development, says guest blogger Marjorie Rhodes.

Science
Health & Safety

When Children Begin To Lie, There's Actually A Positive Takeaway

10:11am October 02, 2017

by Marjorie Rhodes

Children's initial, funny, sometimes troubling, and always-sloppy lies are signs that they have discovered something important about how other people's minds work, says guest blogger Marjorie Rhodes.