Psychologists in America were surprised to find that a newborn can have a very elementary knowledge of physics and math. A baby is able to tell the difference between one, two, and three objects. If one is taken away or added, she may even know how many remain. Babies will show clear surprise if one is taken away unexpectedly.
Babies are always listening -- even before they're born. Even a baby as young as two days old will recognize his mother's voice, even if he only hears one single syllable.
Although your baby can cry at birth, you won't usually see any tears for a few weeks or months. Tears can appear at three weeks, but some babies won't have tears until they're four or five months old. Stress hormones are found in tears and releasing these hormones is a way to calm your baby down. Stress tears are unique to people -- no other animal has them.
Your baby has a specific cry that you can recognize just three days after birth. Researchers have found that a new mom can pick out her baby's individual cry even if there are other crying babies in the room.
Scientists in Norway found that if a newborn is placed directly onto his mother's stomach right after birth, the baby will start to use his arms and legs to slowly crawl to his mother's breast to nurse. The newborn then latched on and started to nurse unassisted.
In your baby's first three months of life, he can only see things that are eight or nine inches away. This is the perfect distance to see your face when you're holding and feeding your baby, but it also lets him focus on his hands and the rest of his own body.
A baby can read tone and respond to it appropriately. If you speak to your baby in a happy voice, but with a scared tone, or in a mean voice with a smile, your baby will likely show signs of agitation.
If your baby continued his first year's growth rate, he would be 170 feet tall by the time he becomes an adult!
A newborn has coping mechanisms to help if she becomes too cold or too hot. If a baby is cold, she will move around more to warm herself up. If she is hot, she will fling her arms and legs out of the side, as if she's sunbathing. If you see your baby exhibit these behaviors, check the temperature!
Your baby loves the sound of human speech. This is part of the reason why her early language includes imitating words rather than a ringing phone.
At six months, a baby can tell distinguish between individual human and individual monkey faces. By nine months, they lose the ability to distinguish between monkeys, though they can still tell the difference between humans.
Right after birth, a newborn's pupils dilate. This helps parents fall in love with their new baby because this is a sign that she thinks you're attractive.
Immediately after birth, your baby can take five to 10 minutes to become used to something new in her environment. By the time she is three months old, your baby will be able to adapt between 30 seconds and two minutes. By the time she's six months old, she'll adapt in just 30 seconds.
A baby can smile instinctively. For years, experts thought a baby smiled because she was just copying the actions of those around her, but even blind babies can smile.
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