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DISCOVER is teaming up with SciStarter.com to present Your Research Mission, a dynamic project showcase. Each week, it will feature curated citizen science tasks, ranging from analyzing distant galaxies to monitoring frog, firefly and whale populations, to detecting home and body microbiomes. The projects will make it simple for everyone to jump in and get their hands dirty with science.

The true lesson of this book is that fisheries science is complicated; that the management of any given species must be considered in terms of its ecosystem; that fishing for one species alters the food web as a whole — and that sometimes there is not enough data to make good recommendations.

Moreover, an estimated 20 percent of the world’s catch is landed illegally.

After years of bitter argument, this noncontentious book should be welcomed by anyone who cares about fish. And that should be most of us: Worldwide, 20 percent of the world’s protein intake comes from the sea. If we cannot make policies to protect this harvest, everyone will pay a price.

Kareiva is one of a growing array of leading environmental and ecology scholars and doers who see that new models for thinking and acting are required in this time of the Anthropocene, an era in which Earth is increasingly what humans choose to make it — either through action or inaction.

A well-known and often-mentioned study of London taxi drivers showed that experienced drivers with a mental map of London had a hippocampus larger in one area than people without their experience. In some birds that hide seeds and return later to their caches with astonishing accuracy, the hippocampus grows and shrinks seasonally, presumably as they map their hiding spots.

since 2006, when scientists at Denali began a decade-long effort to collect a month’s worth of acoustic data from more than 60 sites across the park — including a 14,000-foot-high spot on Mount McKinley — Betchkal and his colleagues have recorded only 36 complete days in which the sounds of an internal combustion engine of some sort were absent.

To restore ecosystems to acoustic health, researchers must determine, to the last raindrop, what compositions nature would play without us.

Noise can mask mating calls, cause stress and prevent animals from hearing alarms, the stirrings of prey and other useful survival cues. And as climate change prompts a shift in creatures’ migration schedules, circadian rhythms and preferred habitats — reshuffling the where and when of their calls — soundscapes are altered, too.

“It took the scientific community some time I think to realize that the scientific community is in a street fight with climate change deniers and they are not playing by the rules of engagemen

There’s a need for training and in filling in the gaps between the extremely casual tweeting, say, and the I.P.C.C. assessment report. There’s a whole range of levels of communication that could fit in between those two things…. The stuff in the middle, that’s where the people who know what they’re talking about should be acting, because we’re not there collectively now.Some of us are. But we’re not there collectively, and that kind of cedes that whole field to the people who don’t know anything and the people who are more fond of their own voice than they are of the facts and the people who want to disinform and misinform the public.So it’s that area in the middle, the hinterland between the paper and the tweet, where I think there’s a lot more scope for us to communicate and where, quite frankly, the field is wide open.