As Dave Goulson, professor of biology, points out in his bookSilent Earth, insects are, about three - quarters of all crops grown by humans require pollination by insects. "We could not feed the global population without pollinators," he writes. Yet, bees and butterflies, the beautiful ...
According to a new study published in the journal Nature in August, the differences in how we sense time come from a"clock" inside our brain.Ever since life first appeared on Earth, living creatures, including humans, have used external(外在的)clues() to tell the time. 2However, the ...
As far as we know, humans are the only life form on the Earth that thinks about what is going on in the Universe, and could potentially communicate with other life. The first telescopes were invented about 400 years ago, and the first space probes were launched less than 100 years ago....
Bugs aren’t just occasional nuisances, they’re crucial to the environment. Now populations of species worldwide are falling at alarming rates.
Fly Me to the Moon Just because we can't see the far side of the moon from Earth doesn't mean we don't know what it looks like. We have several photos sent back from lunar missions. In 1968, astronauts aboard the Apollo 8 spacecraft were the first humans to set eyes on the far...
Because he's Moon-born and can't visit Earth. That's why I'm经受;经历;通过bringing one here. I think it's the first one ever on the Moon. "③agile adj.敏捷的,灵活的Jimmy was out on the crater, as his mother had said. His arms and④stubby adj.短而粗的;legs were long and ...
have studied the issue believe that up to three当然,由于人类的生存依overproduction n. [U]生赖很多物种,我们也会有产过剩quarters of all species on Earth could die out. Of灭绝的危险。 我们的世overconfident adj.过分course, as we humans depend on so many species界和我们的生命依赖于自信的,自负...
Were Neanderthals the first humans? Who were the first hominids? Who found Homo erectus? What hominids first migrated out of Africa? Who discovered Homo sapiens Neanderthalensis? Who discovered Australopithecus? Who found Homo habilis? What Neanderthal genes are in humans?
Humans with Nature The benefit of the EAGLES toolset is that it streamlines the finding, compilation, and integration of data by allowing the user to identify the geospatial data inputs, region of interest, scale, and a common data resolution—even a temporal resolution—to make it easier to...
If you live in a region where winter weather is a regular risk, you are likely used to pouring salt on your sidewalks. But how does it work? And how much salt do humans pour onto our planet’s surface? T...