Sentences with phrase «of a human lifetime»
Our Middle Land timescales range from the psychological «now» of three seconds in duration (according to Harvard University psychologist Stephen Pinker) to the few decades of a human lifetime, far too short to witness evolution, continental drift or long - term environmental changes.
scientificamerican.com
«So over the course of a human lifetime, these would have been changes that an individual would experience.
Currently used to achieve large amounts of energy necessary to launch a craft past Earth's gravitational pull, chemical rockets are inadequate for travel to the stars in timescales of human lifetimes.
Temporally, it requires that we imagine ourselves inhabitants not just of a human lifetime or generation, but also of «deep time» — the dizzyingly profound eras of Earth history that extend both behind and ahead of the present.
«This is the first time we have been able to observe these events in the span of a human lifetime,» says Ann Kinney of the Space Telescope Science Institute, which manages the orbiting Hubble Space Telescope for the National Aeronautics and Space Administration.
Joseph Pickrell, an evolutionary geneticist at New York Genome Center in New York City, has used a different strategy to put selection under an even keener microscope, detecting signs of evolution on the scale of a human lifetime.
«Using the span of human lifetimes, including his own, Ruppersberg compiles printed matter of... read more... «Allen Ruppersberg: The art of give and take»
«The Color Out of Space» uses outer space as a lens to interrogate geological time as measured against the span of a human lifetime.
«Rapidly» here means «within the span of a human lifetime.»
The whole point about climate change is that it's gradual, on the scale of human lifetimes.
The problems are familiar by now: they include a planetary warming that, while slow on the scale of a human lifetime, is extremely rapid on a geologic time scale, the scientists said.
Rokdoc (65), so, since these changes will occur — on a geologic time scale, I must add — as they have over the last 500 million years, then we shouldn't worry about human actions inducing these same changes on the scale of human lifetimes?