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In the city, frogs do not feel as comfortable as in the wild nature because of dirty water, a lack of food, and dangers at every turn. That is why the life of frogs in urban areas is shorter. However, they do not leave these habitats, but adapt to them. Apparently, there are two ways to adapt: either become more tolerant or increase the number of progeny.
Every spring from 1998 to 2001, Elena A. Severtseva and her colleagues from the Biological Faculty of the Moscow State University
A crayfishs urine scares off its enemies.
A well-timed blast of urine is the key to winning a crayfish fight, say researchers. The chemical aggression intimidates opponents into backing down.
Ecologist Thomas Breithaupt injected freshwater crayfish with a dye that made their urine glow green. He and his colleague Petra Eger staged fights between blindfolded crayfish ( Astacus leptodactylus ), to replicate the animals nocturnal habits1.
How do turtles survive long trips across the ocean? At the Society for Experimental Biology conference on Friday 12 April Ms Corinne Martin (University of Wales Swansea) will present evidence of energy-saving diving patterns adopted by green turtles to survive long ocean trips.
The turtles breed at Ascension Island, undertaking long-distance migrations greater than 2 300 km between the island and their feeding grounds on the Brazilian coast. During their trip across the ocean they don’t feed
The first public release of plant gene chip information is being launched at the Society for Experimental Biology conference in Swansea on Friday 12th April. Scientists from the Nottingham Arabidopsis Stock Centre (NASC), part of a multi-million pound resource network, will announce a newly accessible plant gene chip database which is available through the internet.
Unlike in GATTACA, where a drop of Ethan Hawke`s blood or an eyelash could tell you what genes he had, gene chips can tell you
The phrase “king of the jungle” invariably conjures up the image of a majestic, tawny cat with a fluffy mane framing its face. But in fact not all male lions have big hair. In Kenyas Tsavo National Park–famed for the man-eating lions that reportedly terrorized railroad workers there in the late 1800s–a number of males lack manes altogether. Exactly why this should be the case–or why any lions should have manes, for that matter–has been difficult to explain. To that end, the results of a new
Some men send flowers, others send chocolates. But one species of fish has a rather unusual method of seducing the opposite sex. Researchers at the Centre of Marine Science, University of Algarve, Portugal, have been studying how the peacock blenny fish secretes pheromones – chemical ‘love’ signals – from an anal gland.
Dr Eduardo Barata observed peacock blenny over the breeding season, when males occupy holes and crevices in the bottom of the sea which they use as nesting sites where female