lho, bung Mario, berita ini rasanya
kan udah lama diberitakan di media massa ... (2004)
termasuk polemik antara Prof. Teuku Jakob dan
ilmuwan Australi yang terlibat.
sayangnya pada artikel yang anda kutip tidak
ikut dimuat sumber (nama majalah) dan tanggal
penulisan artikel tsb.
Arsip diskusinya mungkin masih dapat dibaca di
arsip milis * evolusi *
< http://groups.yahoo.com/group/evolusi >
===( ihm )=========================================
--- In ppiindia@yahoogroups.com, Mario Gagho <[EMAIL PROTECTED]> wrote:
> Dwarf Human Fossils! The recently discovered "Hobbit"
> fossils may completely change how scientists view
> human evolution. Last October, a team of Australian
> and Indonesian archeologists discovered the 18,000
> year old bones of a female hobbit, a new human
> species, in the island of Flores. Experts assume that
> the isolated island in Indonesia, was colonized by
> humans as early as 800,000 B.C.E. However, from at
> least 95,000 years ago until around 12,000 years ago,
> it was occupied by these tiny humans, which grew to be
> only three feet (about a meter) tall - prompting
> scientists to name them "hobbits" after J.R. Tolkiens'
> Lord of the Rings.
>
> Despite having brains the size of a chimpanzee's (as
> big as a ripe grapefruit), these little humans hunted
> animals twice their size, hunted and butchered with
> stone tools, and cooked with fire. The discovery has
> turned our understanding of human evolution upside
> down. For a long time, scientists had assumed that
> human evolution was directly proportional to the
> increases in brain size. The shocking discovery has
> made many scientists question these assumptions, and
> some are convinced that the "organization" of the
> brain must have been at least as important as the
> increases in brain size - if not more important.
>
> Although much smaller than in modern humans, the
> hobbit's frontal lobe contains a region known as
> Brodmann's Area 10, which in modern humans, is
> associated with cognitive processes, such as planning
> ahead and taking initiative. In comparison to Homo
> Erectus, the Hobbit has larger temporal lobes, which
> are associated with better hearing and understanding
> speech.
>
> Scientists have long believed that the Neanderthals
> went extinct about 30,000 years ago, and that the Homo
> Sapiens was the only human species left on the planet.
> The discovery that another quite different, and much
> smaller, human species existed as late as 13, 000
> years ago is shocking. According to the team of
> archaeologists that found the hobbit fossils, the
> hobbits' small stature was the result of a phenomenon
> known as "island dwarfing". Over thousands of years,
> the theory goes, their bodies adapted to the
> constraints of island living in the same way that many
> other mammals, such as the dwarf elephants found on
> the island Cyprus. When there is a significant
> shortage in the food supply, animals tend to adjust to
> the new circumstances by reducing their body sizes so
> that they can survive on less food and energy. Another
> possibility is that the Hobbits may have been tiny
> prior to their arrival to the island of Flores. They
> may have belonged to an unknown species of humans that
> left Africa about 1.8 million years ago.
> In either case, the discovery of tiny humans
> comparably as clever as modern humans, hints at the
> possibility that the legends of giant humans, such as
> the famous Golliath, may have some truth in them. If,
> in the past, dwarf humans existed, then, there is no
> reason to assume that giants could not have existed
> either.
>
>
> Mario Gagho
> Agra University
> www.ppi-india.org
> ---------
> A WINNER works harder than a loser and has more time.
> A LOSER is always "too busy" to do what is necessary.
>
***************************************************************************
Berdikusi dg Santun & Elegan, dg Semangat Persahabatan. Menuju Indonesia yg
Lebih Baik, in Commonality & Shared Destiny. http://www.ppi-india.org
***************************************************************************
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