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New Evidence That Baby Chicks Have Mental Number Lines Like Humans Do
Think about a series of numbers, 1 through 10. Chances are, you imagined the numerals in a line, in increasing order from left to right. That's the effect of your mental…
Community tourism fills niche around Tambopata National Reserve
When Víctor Zambrano retired from the military and returned to his family’s old homestead outside the fast-growing jungle town of Puerto Maldonado in Peru, he got an unpleasant surprise. Strangers had moved in and cleared the trees to raise cattle. As Zambrano tells it, he ran up the Peruvian flag, chased the invaders off, and set to work planting 19,000 native tree seedlings.
Bigger Better, Smaller Smarter?
If you are thinking of brining a new canine friend home, one the questions that may be on your mind is: what is the right size and breed? To a great extent, a dog’s personality, behavior, and dietary and exercise requirements may be determined by its breed and size. Those who love the idea of […]
Rare Saharan Cheetah Captured on Camera: Photos
A hidden camera set up in the Sahara Desert captures some of the world's only images of the rare Saharan cheetah.
Cannibalism in the Animal Kingdom
In my latest Zoologic post, I take a look at cannibals in the animal kingdom: Who does it, and why? Cannibalism may be a major taboo for humans, but for many other species it makes good evolutionary sense. Read the whole story here: Animal Cannibalism: Who Does It and Why .
Top 25 Photographs from the Wilderness #22
“As human beings, our greatness lies not so much in being able to remake the world – that is the myth of the atomic age – as in being able to remake ourselves.” Mahatma Gandhi Earlier this month many of us, delighting in the tradition of fresh starts, aligned the 1st of January with change in…
How Can We Improve Working Dog Programs?
A new paper suggests ways to develop the welfare and performance of working canines.A search-and-rescue dog takes part in a training exerciseHave you ever stopped to think about the amazing variety of jobs that dogs do: herding sheep, chasing criminals, sniffing out cancer, assisting people with disabilities, supporting the military in the field, detecting explosives or narcotics, visiting sick people in hospital, pulling sleds, search and rescue, and so on. They bring a wide variety of […]
Crawling To The Top
Biology concepts – characteristics of animals, undulipodia, gametes, nematodes, roundworms, Yes, a sponge is an animal – just like a barracuda, a platypus or a that weird nephew of yours. They are multicellular, loosely organized into a couple tissues, and eat other organisms. You can see how they filter feed in this demonstration. Not so different from that nephew.Sponges and birds – they’re both animals, but would you know it to look at them? Sponges are sessile […]

Smith HE (2014). Nematode sperm motility., WormBook : the online review of C. elegans biology, 1-15. PMID: http://www.ncbi.nlm.nih.gov/pubmed/24715710

H. Ferris (2009). The beer mat nematode, Panagrellus The beer mat nematode, Panagrellus redivivus: A study of the connectedness of scientific discovery , J. Nematode Morphol. Syst., 12 (1) 19-25. Other:

McKnight, K., Hoang, H., Prasain, J., Brown, N., Vibbert, J., Hollister, K., Moore, R., Ragains, J., Reese, J. & Miller, M. & (2014). Neurosensory Perception of Environmental Cues Modulates Sperm Motility Critical for Fertilization, Science, 344 (6185) 754-757. DOI: 10.1126/science.1250598

Morgan, E., Azam, D. & Pegler, K. (2013). Quantifying sources of environmental contamination with Toxocara spp. eggs, Veterinary Parasitology, 193 (4) 390-397. DOI: 10.1016/j.vetpar.2012.12.034

Sepsenwol S, Ris H & Roberts TM (1989). A unique cytoskeleton associated with crawling in the amoeboid sperm of the nematode, Ascaris suum., The Journal of cell biology, 108 (1) 55-66. PMID: http://www.ncbi.nlm.nih.gov/pubmed/2910878




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