including humans, are known to practice infanticide, or purposely killing the very young. Infanticide can improve chances of survival for spared offspring, who go on to produce offspring themselves. Leaving asid
and there were no instances of white soldiers serving under black commanders during the war. African American community leaders had varying opinions on what to do about the war, with some saying that even though African Americans have died in every war since the Revolutionary War no real progress...
1 For as long as humans have existed, they have been killing one another; throughout the modern era, they have been doing so in increasingly well-organized, large-scale, and devastating ways. The human and material destruction of war in the twentieth century alone is incalculable. Why do ...
Humans and Art ''Art washes away from the soul the dust of everyday life,'' said the famous Spanish painter Pablo Picasso. Art is an important part of being human. Not only do we have the ability to create tools and modify our surroundings, but we also have the curiosity for making...
TheU.S. ArmyField Manual expressly prohibits soldiers from staging mock executions [source: Levin]. But reports of some U.S. military members staging these executions have emerged from the Iraq War. For example, in 2005, one Iraqi man questioned for stealing metal from an armory was tortured...
The dusty red planet has fascinated us for centuries. Even as we learn more, its mysteries keep us in suspense.
根据第一段“Why does the giant squid (乌贼) have eyes as large as a football? Why do more than 350 species of fish produce their own electricity? Why do dogs become more optimistic after two weeks of plentiful sniffing (嗅)? (为什么巨型乌贼的眼睛有足球那么大?为什么超过350种鱼类能自己发...
L. I should but I won't: why young children endorse norms of fair sharing but do not follow them. PLoS ONE 8, e59510 (2013). Article CAS PubMed PubMed Central Google Scholar McAuliffe, K., Jordan, J. J. & Warneken, F. Costly third-party punishment in young children. Cognition...
Emotions are tricky things. They allow for humans to fall in love, wage war and, as it turns out, engage in self-harm. It is hard to imagine an era in which young adults were more distressed than today. Recent Centers for Disease Control and Prevention data indicates that more than 40...
I'm Sam, and I'm Neil. Have you heard the expression doom scrolling? Neil? It's when people spend a lot of time reading or scrolling a mobile phone or computer screen in order to read negative news stories, stories full of...