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Home > News > Tags > offspring
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In a first-of-its-kind investigation, scientists at the University of Nevada in Reno (UNR) discovered that antibiotics have transgenerational effects, meaning that they cause changes that are transferred to the next generation, from parents to their offspring.
This could be a very significant finding, analysts says.... |
2 May 2012
03:54 GMT |
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A class of marine cephalopods called Ammonoids, or ammonites, was destroyed during the last mass extinction event, after previously surviving three other events of even greater magnitude. Experts recently set out to discover what actually killed off these animals.
Ammonoids died out alongside dinosaurs about 65.5 m... |
25 April 2012
08:47 GMT |
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A recent study conducted on wolves in Yellowstone National Park has revealed that many members of a pack are in fact freeloaders. They do not contribute to the actual killing process, but show up later to claim their share of the spoils.
The work was focused on Canis lupus, the gray wolf. Numerous packs have been... |
1 October 2011
03:33 GMT |
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Some plants are known for having both their male and female reproductive organs very close to each other, which favors inbreeding. A new investigation shows how petunias prevent this from happening. All species have over millions of years of evolution learned the hard way that inbreeding is not a good strategy for pr... |
5 November 2010
06:22 GMT |
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If you think of becoming a father, you should start eating healthy food, a new research carried out by the University of New South Wales in Sydney, Australia, suggests.Previous research has already proven that a poor maternal diet along with obesity can damage the offspring's metabolism and rise their risk of ob... |
21 October 2010
09:02 GMT |
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Researchers found that less attractive female house sparrows have a tendency to lower their standards when choosing a mate.As there are basically no studies on condition-dependency of female mate choice, scientists from the Konrad Lorenz Institute for Ethology in Vienna carried out a research on sexual selection pre... |
27 August 2010
08:10 GMT |
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According to a new study, it would appear that paternal mice tend to grow new neurons when they play around with their offspring. The researchers hypothesize that, in order for the adult animals to become highly-protective of their offspring, they need to grow new batches of gray matter. Once this happens, however, t... |
10 May 2010
12:48 GMT |
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A group of researchers publishes the conclusions of a new study on bonobos (pan paniscus), that shows the primates tend to use their heads to prevent others from performing something bad. Video evidence captures the bonobos as they shake their heads as to say “no,” when they see others attempting to perfo... |
7 May 2010
09:57 GMT |
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While, most of the times, ants are extremely civilized creatures, working together for the common good, they are sometimes more vicious than humans. Their colonies have equal chances of surviving or dying during their first year, so the amount of workers queens produce is absolutely essential. Several queens may exis... |
2 March 2010
15:01 GMT |
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According to a new scientific study, it may be that birds tend to favor some of their offspring over others, but with very good reason. That is to say, the animals simply want to reduce their losses in case something bad happens to the future generation. When a young bird becomes infected with parasites, for instance... |
21 December 2009
02:44 GMT |
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Scientists have recently revealed that being a mother, or exhibiting motherly behavior, boosts the number of neurons in the rat brain. The finding could also be applicable to humans, seeing how rats are considered to be a very close model to our own brains for this type of research. The investigators learned that eve... |
18 December 2009
02:38 GMT |
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There are many factors that would make a future trip to Mars difficult to accomplish. Other than the strain that it would place on the astronauts physically and mentally, such a journey would also test the ability of human logistics to a limit. Packing food and drinks for more than 18 months of travel and exploration... |
22 July 2009
03:01 GMT |
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When meerkat cubs are born, the entire group is in attendance and, over the first 3 months or so of life, all of the adults stop at nothing to ensure that their little ones have all they need to survive. Researchers have even observed the fact that the older meerkats even give away some of their food to the begging y... |
23 May 2009
04:50 GMT |
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The second documented case of a female shark bearing a live young without ever being exposed to the presence of a male has recently been recorded. But this doesn't mean that there haven't been such cases before, even though they were not observed and analyzed by specialists. But before all feminist sup... |
10 October 2008
11:17 GMT |
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The ancient Egyptians portrayed Anubis, the god of the dead, as a jackal-headed man. Jackals are species from dog's family included in the genus Canis, the same to which the wolf (and its offshoots, the dog and dingo), red wolf and coyote belong. First dog-relatives appeared to the end of the Eocene, 35 million ... |
5 February 2008
14:06 GMT |
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Why did humans' ancestors start to walk on two feet? The debate is more vivid than that if it was Britney Spears or not in her last video, and only in the last year it has come with several theories, from bipedal (two feet) walking in the tree of the orangutans, to energy saving. Now, add a new one: Lia Amaral, ... |
17 December 2007
06:24 GMT |
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Well, Adam Sandler won't father a Brad Pitt. But it seems that only Brad Pitt can father another Brad Pitt...This happens in the insect world as well.Attractive traits have been known to be passed on from parents to offspring, from cricket calls to peacocks' tails, but being really sexy is more complicated.... |
22 November 2007
05:21 GMT |
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This is the solution for healthier toddlers: going naked. At least this is what the team led by John Speakman at the University of Aberdeen, UK, found and presented in the Journal of Experimental Biology: nursing female mice with a shaved back delivered more milk, which enabled them to have heavier litters (11 offspr... |
20 November 2007
07:19 GMT |
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It is a reproductive paradox: giving birth to offspring just to eat them. But the behavior is widespread in many groups of animals, from bank voles and hedgehogs to house finches, wolf spiders and a lot of fish species. The paradox is increased by the fact that all these species are also very good parents for the res... |
15 November 2007
03:07 GMT |
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This tamarin monkey species is called Saguinus oedipus; but despite its name (from Oedip in the Greek mythology), the sons do not kill their father, nor do they mate with their mothers. These South American little monkeys, weighing just 450 g (one pound) and being 30 cm (1 ft) long, can live up to 11 years, having a ... |
8 October 2007
15:46 GMT |
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Yes, testosterone is the male sex hormone that makes males muscular, aggressive and horny. But what happens when the female is a 'package' of testosterone? Not only 'fully loaded', but with higher amounts than males have?This is the case of the spotted hyena. In fact, the clitoris of the spotted h... |
16 August 2007
13:16 GMT |
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These beasts made an elephant look like a mouse. Sauropod dinosaurs were big, but the titanosaurs were the biggest of all. Argentinosaurs, a South American titanosaur, was the largest and heaviest land animal ever. It lived in South America during the middle of the Cretaceous Period (around 100 million years ago). Ar... |
31 July 2007
04:53 GMT |
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If you're a monogamy adept, do not try to find it in nature, too. Even in cases of classical monogamy, it has been proven that the brides go outside the wedlock. The newest busted myth is that of the foxes. Researchers have considered foxes, wolves and coyotes (the dog like carnivores in the Canidae family) to b... |
26 July 2007
06:36 GMT |
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Sex and economics seem to be connected: animals tend to invest in their offspring according to their expected payoff. A team of behavioral ecologists at the National Museum of Natural History and the Laboratory of Evolutive Parasitology, Paris showed that, in the peafowl (Pavo cristatus), when females mated with att... |
23 July 2007
04:55 GMT |
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If your white wife gives birth to a Black child in Africa or a Mongoloid one in China, you wouldn't be very pleased. But there are mothers that change the coloration of their offspring according to the local environment. A team at the University of California, Santa Cruz, has discovered that female side-blotche... |
13 June 2007
09:16 GMT |
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Many observations on the animal behavior confirm that "animals just lack speech". In 1972, researchers witnessed an astonishing event involving wolves. A limping individual headed towards an abandoned den. His shoulder bore a deep wound. The next day, the researcher saw a big black male entering the den and regurgita... |
19 May 2007
07:32 GMT |
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