Yessi Pratiwi

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Migrating Geese in V-formation

Yessi Pratiwi — July 31, 2009 / 11:18 pm / Comments

In animal world, there are some kinds of migration, related to the movement from a place to another place. This movement can be related to the change of climate and the needs of reproduction. Meanwhile, talking about this migration, do you have any idea about what kinds of animals that do migration? Geese are among them. [...]

Animals of Antartica

Yessi Pratiwi — July 18, 2009 / 11:02 pm / Comments

At the moment you are hearing Antartica, what is/are animals that pop up in your mind? Most of you must be thinking about penguin. Well, you get a score, penguin is one of Antartica animals. What about other animals? Do you have any idea? Actually, there are some kinds of other animals that have not [...]

Whales Are Not Fish

Yessi Pratiwi — July 3, 2009 / 8:47 pm / 1 comment

If you still think that whales are fish, you’d better change that mind just now. Well, it really seems like a fish, huge fish, but in fact, it’s not a fish. There are many differences between fish and whales. Whales are much bigger than fish. Fish stay underwater all the time and breathe through gills that take [...]

Dracula Fish Found

Yessi Pratiwi — June 12, 2009 / 12:34 am / Comments

Fish, diverse group of animals that live and breathe in water.  All fishes are vertebrates (animals with backbones) with gills for breathing. Thefinding about fish and its history shows that about 15,000 new species are still discovered every year, from psychedelic fish to pink millipedes, and from lungless frogs to the Dracula fish. And, the [...]

Jellyfish Can Be Colorful And Deadly

Yessi Pratiwi — May 22, 2009 / 7:35 pm / Comments

Jellyfish are free-swimming members of the phylum Cnidaria, that have several different morphologies that represent several different cnidarian classes including the Scyphozoa (over 200 species), Staurozoa (about 50 species), Cubozoa (about 20 species), and Hydrozoa. They are not really fish. Jellyfish have stomachs and mouths, but no heads. They have nervous systems for sensing the world around [...]

Scarying Cockroach Facts

Yessi Pratiwi — May 15, 2009 / 6:59 pm / 1 comment

Everybody must be agree if I say that cockroach is disgusting. Most people hate  cockroaches. But maybe, after having a serious reading on this article, you may find another view about cockroach.  OK then, here they are, cockroach facts! A cockroach can live for 3-4 weeks without its head. And you thought decapititation solved everything. Don’t you [...]

200 New Species of Amphibians In Madagascar Discovered

Yessi Pratiwi — May 6, 2009 / 9:33 am / Comments

Take a look at this picture. Perhaps you think it looks like a frog–amphibians. Well, it’s really an amphibian. But you know, it’s not an old species. It’s a new species that has been found in Madagascar by the researchers at Spanish Scientific Research Council. Report on ScienceDaily showed that according to the researchers, if these [...]

Honey Bee Depopulation Syndrome

Yessi Pratiwi — April 15, 2009 / 9:30 pm / Comments

Related to honey bee colony depopulation syndrome, scientist from Spain have isolated the parasite. They analyzed two apiaries and managed to find the evidence of honey bee colony depopulation syndrome. It looks that there’s no evidence of other desease, other than the infection of the parasite that is known as Nocema ceranae.  It has been predicted that [...]

Butterfly Wings

Yessi Pratiwi — April 6, 2009 / 10:41 pm / Comments

What is the first single thing coming through your mind, to see a butterfly wing? Beautiful! Certainly it is. God creates a perfect pattern on its wings. You know what, butterfly can attract mates and ward off predators using different side of their wings. This is the result of the study from biologist at Yale University. [...]

Engineer Bactery

Yessi Pratiwi — March 27, 2009 / 11:07 am / 3 comments

Bacteria. First you heard this word, the thought comes up through your mind can be vary. There may be a hate to bacteri because this little animal can cause disease. That’s true, but of course we can’t generalize bactery, as it depends on its kind. Well, there are some bacterias that can work and help human [...]

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  • Koen — Terima kasih, Echi dan Dhani :). Salah satu misi Pernik Ilmu memang membuka mata masyarakat, dengan bahasa awam, tentang fakta-fakta ...
  • » Mengapa Langit Malam Gelap? ~ Blog Archive ~ Pernik Ilmu (Asia Blogging Network) — [...] pertama di Pernik Ilmu ini berjudul Mengapa Langit Biru :). Tapi kita tahu langit hanya biru di hari yang ...
  • dedy — sebutkan macam2 sel volta!!!kasih gambar dan bagaimana carajanya!!!
  • Taufik Hidayat — Mengapa pd wkt bln purnama kalau kita mancing dilaut, gak ada ikannya yg mau makan umpan yg ada di kail ...
  • sardes — hi.......Q sardes saat ni sedang kul di salah satu PTN yang tentunya FMIPA n jur MM...q mw nanya nih kira2 ...
  • Mukmin — slam kenal mbak Yessi,
  • nurul azizah — salut wat astronot....
  • elang — nyerah dech, apa jawabannya???????
  • In-daH — oo....kERen banget....
  • Erastosthenes — Jadi, 1 drajat itu sbnarnya brp km? 1 drajat itu brp menit?