Fresh excavations at famed site of Monte Verde
suggest humans reached South America by 18,500 years ago
Not exact matches
If the horrors of the modern age
suggest that
human evil is perhaps even more awful in its
reach than he imagined, it is also the case that there is a broadly shared
human revulsion against such evil.
They point to a report by the federal Department of Health and
Human Services last fall
suggesting that academic gains made in the early education Head Start program fade by the time the children
reach third grade.
Impressions left by a large claw on the innermost toe on the dinosaur's front foot (the analog of the
human thumb) indicate that the still - unknown species was located near the base of the sauropod family tree, and the sizes of the footprints — in some cases 70 centimeters across —
suggest that the behemoths grew to
reach 15 meters in length and weighed up to 10 metric tons, the researchers report online today in the Scottish Journal of Geology.
Previous research
suggests that, during the last ice age (which ended around 11,700 years ago),
humans moved into the Americas from Asia across what was then a land bridge to North America, eventually
reaching what is now the west coast of British Columbia, Canada as well as coastal regions to the south.
Ancient DNA studies had already
suggested that
humans from Africa
reached Southeast Asian islands before 60,000 years ago.
More important, a convergence of observations
suggests that cosmic neutrinos spring from the same astrophysical sources as other particles from space: highly energetic photons called gamma rays, and mysterious ultra-high energy cosmic rays — protons and heavier atomic nuclei that
reach energies a million times higher than
humans have achieved with particle accelerators.
This showed that an abundance of nutritious foods were available and
suggests this was likely to have been the dominant factor driving early
humans to focus on these sites in the lower
reaches of river valleys, close to the upper tidal limit of rivers.
A controversial find of stone tools in Brazil
suggests that
humans somehow
reached the Americas at the height of the last ice age
After analyzing
human DNA from several populations around the world and examining primate genomes dating back to the shared ancestor of both
humans and chimpanzees, researchers
reached a striking conclusion that several gene variants linked to schizophrenia were actually positively selected and remained largely unchanged over time,
suggesting that there was some advantage to having them.
New genetic evidence instead
suggests that wild precursors to sweet potatoes
reached Polynesia at least 100,000 years ago — long before
humans inhabited the South Pacific islands, researchers report April 12 in Current Biology.
Living in these areas was associated with a low
Human Development Index score, which measures education, standard of living and health,
suggesting that children will have a hard time developing to
reach their full potential in the current conditions.
Strongly influenced by the Surrealists and the idea of automatism — the belief that the artist's undirected hand could
reach deep into the unconscious — he layered skeins of fine, interlaced lines and overlapping luminous forms that
suggested microscopic views of
human tissue or plant specimens, land masses seen from an airplane or undiscovered worlds exploding into being.
So far -
reaching is the impact of modern
humans that esteemed palaeoclimatologist Wally Broecker has
suggested that we have not entered a new geological epoch, a relatively minor event on the geologic time scale, but a new era — the Anthropozoic — on a par in Earth history with the development of multicellular life.
The most troubling data
suggests that since the 1950s, the
human enterprise has led to an explosive acceleration that will
reach criticality within the next few decades as different systems
reach a point - of - no - return tipping point.
However, as Dockrill reported in Science Alert, the University of Oxford mathematician Marcus du Sautoy flips this thinking around
suggesting that, «once the sophistication of computer thinking
reaches a level basically akin to
human consciousness, it's our duty to look after the welfare of machines, much as we do that of people.»
While it could be
suggested that the themes with which we engaged over the two days emanate from the darker
reaches of the
human psyche, with the attendant assumption, therefore, that a pall of gloom hung heavy over the participants, I am happy to report that the opposite was the case.