Earthling Nature

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39 posts · 29,108 views

We present this blog with the intention to serve as a journal about the life on our planet. While we are not (yet) experts in the field, our enthusiasm and interest on the different lifeforms around this world came to provide texts and comments on new and relictic subjects. This blog came from the idea of entereing the blogroll of science writting and reviving our past sites in the subject, all in Portuguese language: BioData by Rafael and Biolista by Piter. The blog will serve as a sibling to our other existing journal, Poisor Tristesi, as well for discussing the representation of both extinct and extant life in art.

Piter Boll
38 posts

Pangeia King
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  • July 7, 2016
  • 02:44 PM
  • 170 views

Biological fight: kites, mites, quite bright plights

by Piter Boll in Earthling Nature

by Piter Kehoma Boll A recently described fossil from the Silurian Herefordshire Lagerstätte in the United Kingdom has called much attention. The appearance of the creature was build by scanning the rock and creating a 3D reconstruction of the fossil. … Continue reading →... Read more »

Briggs, D., Siveter, D., Siveter, D., Sutton, M., & Legg, D. (2016) Tiny individuals attached to a new Silurian arthropod suggest a unique mode of brood care. Proceedings of the National Academy of Sciences, 113(16), 4410-4415. DOI: 10.1073/pnas.1600489113  

Briggs, D., Siveter, D., Siveter, D., Sutton, M., & Legg, D. (2016) Reply to Piper: Aquilonifer’s kites are not mites . Proceedings of the National Academy of Sciences, 113(24). DOI: 10.1073/pnas.1606265113  

  • June 20, 2016
  • 12:26 AM
  • 106 views

The fabulous taxonomic adventure of the genus Geoplana

by Piter Boll in Earthling Nature

by Piter Kehoma Boll Freshwater planarians are relatively well-known as those cute arrow-shaped cockeyed animals. Land planarians are far away from having all the fame of their aquatic cousins and most people do not even know that they exist. Maybe … Continue reading →... Read more »

  • May 31, 2016
  • 11:30 PM
  • 232 views

42: the answer to life, the universe and everything (i.e., consciousness)

by Piter Boll in Earthling Nature

by Piter Kehoma Boll In his work  “The Hitchhiker’s Guide to the Galaxy”, Douglas Adams defined that the answer to life, the universe and everything is 42. Now a group of scientists measured glucose metabolism in brains in a resting … Continue reading →... Read more »

Stender, J., Mortensen, K., Thibaut, A., Darkner, S., Laureys, S., Gjedde, A., & Kupers, R. (2016) The Minimal Energetic Requirement of Sustained Awareness after Brain Injury. Current Biology. DOI: 10.1016/j.cub.2016.04.024  

  • May 26, 2016
  • 11:54 AM
  • 237 views

Male dragonflies are not as violent as thought

by Piter Boll in Earthling Nature

by Piter Kehoma Boll Males and females are defined by their gametes. Males have tiny, usually mobile gametes, while females have very large gametes that usually do not move. This means that females produce less gametes, but put a lot … Continue reading →... Read more »

Chapman, T., Arnqvist, G., Bangham, J., & Rowe, L. (2003) Sexual conflict. Trends in Ecology , 18(1), 41-47. DOI: 10.1016/S0169-5347(02)00004-6  

Córdoba-Aguilar, A., Vrech, D., Rivas, M., Nava-Bolaños, A., González-Tokman, D., & González-Soriano, E. (2014) Allometry of Male Grasping Apparatus in Odonates Does Not Suggest Physical Coercion of Females. Journal of Insect Behavior, 28(1), 15-25. DOI: 10.1007/s10905-014-9477-x  

  • February 1, 2016
  • 03:59 PM
  • 433 views

The tegu lizard and the origin of warm-blooded animals

by Piter Boll in Earthling Nature

by Piter Kehoma Boll Warm blood is the popular way to refer to endothermy, the ability that certain animals have to maintain a high body temperature by the use of heat generated via metabolism, especially in internal organs. Mammals and birds … Continue reading →... Read more »

  • January 25, 2016
  • 11:52 AM
  • 527 views

Zika virus and the negligence towards health research in poor countries

by Piter Boll in Earthling Nature

by Piter Kehoma Boll About a year ago, almost nobody on the whole world was aware of the existence of a virus named Zika virus and the illness it may cause in humans, the Zika fever or Zika disease. But … Continue reading →... Read more »

  • January 17, 2016
  • 08:00 AM
  • 355 views

The blacker the better… especially in Chernobyl

by Piter Boll in Earthling Nature

by Piter Kehoma Boll We all know that plants use chlorophyll and other pigments to harvest energy from light and store it in synthesized molecules, a phenomenon called photosynthesis. It’s chlorophyll that makes plants (all well as some bacteria and … Continue reading →... Read more »

  • January 10, 2016
  • 07:00 AM
  • 400 views

Endosperm: the pivot of the sexual conflict in flowering plants

by Piter Boll in Earthling Nature

by Piter Kehoma Boll The theory of sexual selection, based on the idea that there are conflict of interests between males and females, is quite recognized, but almost entirely focused on animals, especially dioecious animals, i.e., animals in which males … Continue reading →... Read more »

Maruyama, D., Hamamura, Y., Takeuchi, H., Susaki, D., Nishimaki, M., Kurihara, D., Kasahara, R., & Higashiyama, T. (2013) Independent Control by Each Female Gamete Prevents the Attraction of Multiple Pollen Tubes. Developmental Cell, 25(3), 317-323. DOI: 10.1016/j.devcel.2013.03.013  

Schärer, L., Janicke, T., & Ramm, S. (2015) Sexual Conflict in Hermaphrodites. Cold Spring Harbor Perspectives in Biology, 7(1). DOI: 10.1101/cshperspect.a017673  

  • May 1, 2015
  • 07:00 AM
  • 208 views

Biological fight: the case of artificial stimuli in behavior research

by Piter Boll in Earthling Nature

by Piter Kehoma Boll The study of animal behavior is an important approach to understand several aspects on the ecology and the evolution of living beings, both from the analyzed animals themselves and the species with which they interact. For … Continue reading →... Read more »

  • January 30, 2015
  • 07:00 AM
  • 583 views

Friday Fellow: ‘Orange Jaguar Snail’

by Piter Boll in Earthling Nature

by Piter Kehoma Boll Last week I introduced a land planarian that feeds on land snails, Obama ladislavii, or, as I called it, the Ladislau’s flatworm. Therefore, today, I thought it would be great to present a similar situation occurring … Continue reading →... Read more »

  • January 23, 2015
  • 01:21 PM
  • 754 views

Friday Fellow: ‘Ladislau’s Flatworm’

by Piter Boll in Earthling Nature

by Piter Kehoma Boll Friday fellow is back! After almost a year, I decided to go on with it. Actually, I interrupted it because of several other activities there were requiring my attention. Now let’s move on! Today I will … Continue reading →... Read more »

  • January 14, 2015
  • 06:18 PM
  • 652 views

Pooping to evolve: how feces allowed us to exist

by Piter Boll in Earthling Nature

by Piter Kehoma Boll Billions of years ago, when the first lifeforms appeared on Earth, our planet was very different from what it is today. Oxygen, so essential for our survival, was not present in the atmosphere. Thanks to the … Continue reading →... Read more »

Holland, H. (2006) The oxygenation of the atmosphere and oceans. Philosophical Transactions of the Royal Society B: Biological Sciences, 361(1470), 903-915. DOI: 10.1098/rstb.2006.1838  

Turner, J. T. (2002) Zooplankton fecal pellets, marine snow and sinking phytoplankton blooms. Aquatic Microbial Ecology, 57-102. info:/

  • July 14, 2014
  • 05:58 PM
  • 324 views

The polyglot bee

by Piter Boll in Earthling Nature

by Piter Kehoma Boll Communication is essential for humans, and so it is for other animals that live in groups. It is intersting that even though modern humans only came to be about 200,000 years ago, the number of languages … Continue reading →... Read more »

  • July 11, 2014
  • 07:33 PM
  • 350 views

Elephants don’t have fun painting

by Piter Boll in Earthling Nature

by Piter Kehoma Boll Elephants are considered animals of high intelligence and social complexity, able to solve puzzles, use tools, show empathy and have self-awareness. Moreover, of course, they have an amazing memory. When in captivity, elephants use to become … Continue reading →... Read more »

  • April 9, 2014
  • 09:08 PM
  • 1,063 views

The New Guinea flatworm visits France – a menace

by Piter Boll in Earthling Nature

by Piter Kehoma Boll For as long as life exists, it spreads. Organisms move (even if only as gametes or spores) and conquer new environments if they fit. If it wasn’t so, life wouldn’t be found all over the world. … Continue reading →... Read more »

  • March 28, 2014
  • 07:57 AM
  • 637 views

Friday Fellow: Tropical Kingbird

by Piter Boll in Earthling Nature

by Piter Kehoma Boll This is the first bird featured in Friday Fellow and I have chosen it for a special reason: it’s binomial name is Tyrannus melancholicus, the melancholic tyrant. Isn’t it almost poetic? Found from southern United States to the … Continue reading →... Read more »

Legal, E. (2007) Aspectos da nidificação do siriri, Tyrannus melancholicus (Vieillot, 1819), (Aves, Tyrannidae) em Santa Catarina. Atualidades Ornitológicas On-line, 51-52. info:/

  • March 26, 2014
  • 05:06 PM
  • 605 views

The lack of taxonomists and its consequences on ecology

by Piter Boll in Earthling Nature

by Piter Kehoma Boll I have already written about the problems of taxonomy in small and not-so-cute groups in a previous post, where I talked about the fact that several species, after being described, are completely ignored for decades or centuries. … Continue reading →... Read more »

Carbayo, F., Leal-Zanchet, A. M., & Vieira, E. M. (2001) Land planarians (Platyhelminthes, Tricladida, Terricola) as indicators of man-induced disturbance in a South Brazilian rainforest. Belgian Journal of Zoology, 223-224. info:/

  • March 21, 2014
  • 07:52 AM
  • 770 views

Friday Fellow: Quindio Wax Palm

by Piter Boll in Earthling Nature

by Piter Kehoma Boll So our Friday Fellow is back! After almost a year… but it is! To restart this section, I decided to talk about an interesting plant which can be found in the region where the mysterious Leimacopsis terricola … Continue reading →... Read more »

Bernal, R., & Sanín, M. J. (2013) Los palmares de Ceroxylon quindiuense (Arecaceae) en el Valle de Cocora, Quindío: perspectivas de un ícono escénico de Colombia. Colombia Florestal, 16(1), 67-79. info:/

  • March 19, 2014
  • 01:42 PM
  • 761 views

What on Earth is Leimacopsis terricola? A flatworm mystery.

by Piter Boll in Earthling Nature

by Piter Kehoma Boll Oh, ye olde times… The 18th and 19th centuries were well marked by great worldwide expeditions by naturalists aboard ships travelling all around the world. Charles Darwin is certainly the most famous of them, but he … Continue reading →... Read more »

  • January 2, 2014
  • 09:42 PM
  • 1,085 views

One more delusional williamsonist: Peter Duesberg and his theory of AIDS conspiracy

by Piter Boll in Earthling Nature

by Piter Kehoma Boll As already alerted by Ted Goertzel (2010): “Conspiracy theories that target specific research can have serious consequences for public health and environmental policies”. The above quote is in the article from 2010 published in EMBO reports by … Continue reading →... Read more »

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