Evolution
epub |eng | 2011-05-14 | Author:Brian Thomas Swimme & Mary Evelyn Tucker

SYMBOLIC CONSCIOUSNESS Our behavioral freedom and our curiosity led to an entirely new level of consciousness. Consider a moment from early human evolution, say a hundred thousand years ago. Some ...
( Category: Astronomy May 15,2016 )
epub |eng | 2015-08-24 | Author:Donald R. Prothero

SEE IT FOR YOURSELF! The skeleton of Kronosaurus queenslandicus is still the centerpiece of the main hall of the Museum of Comparative Zoology at Harvard University, Cambridge, Massachusetts. In Australia, ...
( Category: Dinosaurs May 8,2016 )
epub |eng | 2011-05-04 | Author:Holly Landrum Peay

Tips for Incorporating Risk Assessment into Practice We appreciate that risk assessment is complex and may seem overwhelming to many clinicians. Take the process one step at a time. At ...
( Category: Psychiatry May 5,2016 )
epub |eng | 2012-11-06 | Author:Spencer Wells [Wells, Spencer]

6 The Main Line Now here, you see, it takes all the running you can do, to keep in the same place. If you want to get somewhere else, you ...
( Category: Genetics April 29,2016 )
epub |eng | 2015-11-09 | Author:Deepak Chopra, M.D.

Exercise: The Menu of Choices Circle two to five changes that would be easy to make in your current level of physical activity. The harder choices should follow after you ...
( Category: Meditation April 26,2016 )
epub |eng | 2015-08-29 | Author:Dr. Holden Hemsworth [Hemsworth, Dr. Holden]

RNA vs. DNA Position of 2’-OH of ribose prevents formation of classic Watson-Crick B helix in RNA due to steric hindrance 2’-O atom would come too close to 3 atoms ...
( Category: Genetics April 23,2016 )
epub, mobi |eng | 2008-11-21 | Author:Paul Davies

The Sisyphus Effect The discovery that Earth and Moon endured a punishing cosmic barrage until 3.8 billion years ago presents us with a major puzzle. If the fossil record is ...
( Category: Biology April 22,2016 )
epub |eng | 2015-11-04 | Author:Robert Trivers [Trivers, Robert]

RAMMY AND ME. Glenroy leaning against me at Alligator Pond near his shop. (Trivers File Photo.) What to Do When a Crocodile Comes Straight at You? Someone asked Glenroy what ...
( Category: Developmental Biology April 21,2016 )
epub |eng | 2015-04-19 | Author:Steven Mithen

24 Engraved bone plaque from Grotte du Taï, Drôme, France. Length, 8.8 cm. It is likely that all types of artifacts, including those that might appear to be mundane tools ...
( Category: Cognitive April 20,2016 )
epub |eng | 2013-04-18 | Author:Berra, Tim M.

DARWIN’S DEATH Father and son were still doing botanical experiments two days before Charles’s death. Frank, Henrietta, Elizabeth, and Emma were with Charles when he died on 19 April 1882. ...
( Category: Environmentalists & Naturalists April 19,2016 )
epub |eng | 2014-06-02 | Author:John J. Ratey & David Perlmutter

Any behavioral advantage in dealing with highly dangerous events would have increased the probability of reproductive success. A dream-production mechanism that tends to select threatening waking events and simulate them ...
( Category: Cognitive Psychology April 17,2016 )
epub |eng | 2011-09-03 | Author:Dale, Jeremy W.; von Schantz, Malcolm; Plant, Nicholas

However, we have to remember that we are using a multi-copy vector. E. coli produces enough of the repressor protein to switch off the single copy of the promoter that ...
( Category: Bioinformatics April 17,2016 )
mobi, epub, azw3 |eng | 2016-03-17 | Author:Suzana Herculano-Houzel

It seems fitting that great apes, elephants, and probably cetaceans have similar numbers of neurons in the cerebral cortex, in the range of 3 to 9 billion: fewer than humans ...
( Category: Biology April 14,2016 )
epub |eng | 2003-10-26 | Author:Richard Dawkins [Dawkins, Richard]

These kosher investigators run a telephone hotline on which up-to-the-minute red-alerts of suspicion are recorded against chocolate bars or cod-liver oil. The rabbi sighs that the green-inspired trend away from ...
( Category: Organic April 11,2016 )
epub |eng | | Author:Richard Ellis

In other words, we’re all in this together: parrots, houseflies, killer whales, spiders, hippos, cassowaries, corals, crabs, dugongs, dingos, flamingos, anacondas, ants, bees, beagles, beetles, beavers, leopards, iguanas, ducks, platypuses, ...
( Category: Fish & Sharks April 11,2016 )