Vaccines Save Lives; Fear Endangers Them. It's

A Jellyfish Is Little More Than A Pulsating Bell, A Tassel Of Trailing Tentacles And A Single Digestive Opening Through Which It Both Eats And Excretes - As Regrettable An Example Of Economy Of Design As Ever Was.

Every Batch Of Sperm Represents An Opportunity For Genetic Typos - Called De Novo Mutations - To Be Passed On. A 20-year-old Man And Woman Will Each Pass On About 20 De Novo Mutations To A Baby They Conceive. By The Time The Couple Is 40, A Woman's Total Has Remained At 20, While A Man's Has Jumped To 65 - And It Keeps Climbing From There.

Older Siblings Get More Total-immersion Mentoring With Their Parents Before Younger Siblings Come Along. As A Result, They Get An Iq And Linguistic Advantage Because They Are The Exclusive Focus Of Their Parents' Attention.

There Are A Lot Of Obstacles In The Way Of Our Understanding Animal Intelligence - Not The Least Being That We Can't Even Agree Whether Nonhuman Species Are Conscious. We Accept That Chimps And Dolphins Experience Awareness; We Like To Think Dogs And Cats Do. But What About Mice And Newts? What About A Fly? Is Anything Going On There At All?

There's A Deep-freeze Of Sorts For All Good Intentions - A Place That You Store Your Plans To Make Changes In Your Life When You Know You're Not Going To Make Them At All.