children are vs children is

Some examples from the web:

• The children are so happy With their toys.
• Okay, the children are here.
• Dad, their children are innocent.
• My children are gone in the world.
• We don't move until the women and children are safe.
• Viktorov Ivan Ivanovic, aristocrat, his children are soldiers under Kutepov.
• Your honor, my children are everything to me.
• In some villages of Las Hurdes most of the children are orphans.
• These children are exposed to dietary deficiencies and have difficulty concentrating at school.
• These children are a part of my being.
• Two children are dead from scarlet fever.
• Captain, your children are with us.
• If the children are free of disease, they should be evacuated.
• And we all know that our children are the future.
• The children are very shy with him.
• Those children are dead and buried.
• The hearts of children are docile and precious.
• At least your children are safe.
• The native mountain children are getting sick.
• People say children are the future.

Some examples from the web:

• The experience in children is limited.
• Trafficking of women and children is commonplace.
• Separating from our children is the hardest thing imaginable.
• Choice about exposure to risk for oneself or for one's children is a very basic human right.
• This debate on the abduction of children is very important.
• The adoption of children is a particularly sensitive issue.
• Zoe, selective mutism... in children is a transient disorder.
• Having children is crucial to a marriage.
• Okay, putting adult lungs into children is a risk.
• The experience in children is limited.
• The experience in children is limited (See section 5.2).
• Special populations Paediatric patients The experience in children is limited.
• Three children is a nice touch.
• Everybody knows that having family dinner with your children is good for the kids.
• In Mexico and Sri Lanka, the birth weight of children is higher among families that receive remittances.
• My mother's hope for her children is all she has left.
• The most commonly reported side effect in children is diarrhoea.
• The pharmacodynamic profile of insulin lispro in children is similar to that seen in adults.
• We know that violence against women and children is increasing across Europe.
• And having a discussion about children is important.