«Few
animals show such human expressions,» says Jabruson, «and this youngster's face spoke volumes.»
Any animal showing such problems was removed from the study and not included in the final animal counts.
Not exact matches
Here's the rest of it:»... Reason tells me, that if numerous gradations from a simple and imperfect eye to one complex and perfect can be
shown to exist, each grade being useful to its possessor, as is certainly the case; if further, the eye ever varies and the variations be inherited, as is likewise certainly the case; and if
such variations should be useful to any
animal under changing conditions of life, then the difficulty of believing that a perfect and complex eye could be formed by natural selection, though insuperable by our imagination, should not be considered as subversive of the theory.
In 1555 an early French zoologist, called Belon,
showed from the comparison of the skeletons of a bird and a man that there was
such a remarkable similarity, that man carried about in his own body the proof of his connection with the
animals.
There is no
such «direct» evolution:
animals, bacteria, and algae have a common ancestor from which they have diverged, as can be
shown by aligning and comparing amino acid sequences of proteins and nucleotide sequences of homologous ribosomal RNA molecules that are found in both bacteria and vertebrates.
The empirical appearances of outward shape and form and of biological mode of life may
show such very gradual transitions between
animal and man, that in this respect it may perhaps not be possible at all to succeed in indicating concretely and unmistakably, where the dividing line runs between
animal and man.
Reason tells me, that if numerous gradations from a simple and imperfect eye to one complex and perfect can be
shown to exist, each grade being useful to its possessor, as is certain the case; if further, the eye ever varies and the variations be inherited, as is likewise certainly the case; and if
such variations should be useful to any
animal under changing conditions of life, then the difficulty of believing that a perfect and complex eye could be formed by natural selection, should not be considered as subversive of the theory.»
when I was a kid I used to watch
Animal ER or some
such on
Animal Planet and they would
show VERY graphic surgeries and I was fine.
The oil is also used in
animal feed, and while major global retail chains, multiples and manufacturers
such as Arla, Danone, Kelloggs, M&S and Unilever have already begun to
show their support for sustainable palm oil products, the agriculture industry has been slower to catch on.
«In the past, studies have
shown that the combination of resistance exercise with consumption of
animal - derived protein (
such as whey, casein, eggs, meat) has had a different effect on muscle growth than when resistance exercise was paired with plant - based protein
such as soy,» said Dr. Jaeger, one of the studies authors.
«In the past, studies have
shown that the combination of resistance exercise with consumption of
animal - derived protein (
such as whey, casein, eggs, meat) has had a different effect on muscle growth than when resistance exercise was paired with plant - based protein
such as soy,» said Ralf Jaeger, FISSN, CISSN, MBA.
«In the past, studies have
shown that the combination of resistance exercise with consumption of
animal - derived protein (
such as whey, casein, eggs, meat) has had a different effect on muscle growth than when resistance exercise was paired with plant - based protein
such soy,» said Dr. Jaeger.
This presentation of «Star Families» will include tales of monsters,
animals, gods, princesses and heroes (
such as Hercules, below) and
show audience members how to identify the associated constellations.
Showing your baby pictures in flashcard form can help her recognize
animals, letters, and even items that are associated with one another,
such as rain and an umbrella.
The evening includes an aquatic
animal show, scavenger hunt and handling
animals such as lizards and snakes.
Scores of
animal and human studies
show that early life stress,
such as severe early social deprivation, leads to long - term changes in the brain, cognitive and social problems, and heightened susceptibility to anxiety, depression, and drug abuse in adulthood.
Our results provide strong evidence for complex communication directed at humans in a species that was domesticated primarily for agricultural production, and
show similarities with
animals bred to become pets or working
animals,
such as dogs and horses.»
Studies of
animals such as rats, guinea pigs, sheep, cats, ferrets and primates have
shown that this so - called lordotic posture, in which the lower spine is curved towards the belly, can signal the readiness of females to mate.
Animals without
such training
showed no facilitation of input to the motor neurons.
GOING VIRAL The diversity of viruses carried by
such animals as rhesus macaques (one
shown) hints at the number of viruses capable of infecting humans that are yet to be discovered.
Such antibody - dependent enhancement has been
shown in cells and lab
animals.
And they're beginning to conduct experiments that
show that
such enrichments not only benefit
animals, but science as well.
Their survey
showed that the equipment,
such as
animal traps or cameras, remained mostly untouched.
These
animals showed none of the behavioral deficits usually seen in
such offspring, and their brains
showed none of the epigenetic changes.
Following the game, the players were
shown various images,
such as a bus or a dog, and asked to label them as either a vehicle or an
animal.
But our study
shows that we also have to include the active biological processes,
such as
animal migrations, to predict and calculate the ocean's ability to absorb anthropogenic emissions of CO2,» says Professor Katherine Richardson of the University of Copenhagen, who is also one of the authors behind the study.
Previous research
showed that
animals that breed in this way are more likely to live in harsher climates,
such as deserts, than those who go it alone.
Taking into account other recent studies,
such as the finding that newly hatched domestic chicks
show a preference for consonant intervals, this report lends support to the idea that some features of human musical systems may be based, at least in part, on biological principles that are shared with other
animals such as songbirds.
«Purposeful modification of objects by
animals for use as tools, without extensive prior experience, is almost unknown,» the team writes, noting that even our primate kin often fail to
show such talent in the absence of explicit coaching.
Such displays cost the
animal a lot of energy, and become increasingly hard to maintain with age, so a good display by an elderly male is a more reliable indicator of genetic quality than a comparable
show by a younger, stronger one.
«By grouping waterbirds,
such as plant - eating birds and fish - eating birds, we
showed that the degradation affected a wide range of different plants and
animals in the wetlands; declines in these waterbirds means their food levels are also falling,» says Professor Kingsford, who is Director of the UNSW Centre for Ecosystem Science.
Previous research had
shown that DNA from host
animals, and from pathogens
such as malaria, is preserved in the blood meals of flies.
But the experts doubt that future analysis of the Thames whale will
show high levels of pollutants as this species generally feeds on
animals near the bottom of the food chain —
such as squid.
For the study, healthy adults, healthy children and children with ADHD were
shown pictures that had emotional relevance,
such as a scary
animal, or neutral pictures
showing an umbrella or lamp.
It is just one of hundreds of compounds that have
shown great promise in
animal experiments —
such as helping rats learn their way around mazes — yet seem to produce at best only marginal effects in patients.
Recent work by the same group of researchers
showed that
such disruptions in sleep were also a hallmark of fetal alcohol syndrome, both in
animal models and in people.
A scent's location on the map also predicts the brain activity caused by getting a whiff: previous research in a variety of
animals such as fruit flies, honeybees, mice, rats and tadpoles
showed that neighboring odors cause similar patterns of neuron activity.
Other research has
shown that caffeine affects the circadian clock in
animals such as fruit flies.
Modern conservation efforts tend to center around large
animals —
such as tigers, elephants, and wolves — and top predators in peril, while Roopnarine and Angielczyk
show that small amniotes (reptiles and ancient mammal relatives) were most vulnerable during the early phase of this long - ago period of extinction.
For example, if the evidence
shows that effluents from municipal water treatment, from
animal manure, or from pharmaceutical manufacturing plants are selecting for antibiotic resistant bacteria in the environment, that may justify treatment of
such waste streams prior to application on croplands.
The data also revealed that elements not needed by plants and
animals,
such as aluminum,
showed no difference, suggesting the herbivores contributed to increased global fertility.
Finds
such as the newly discovered Birgeria species and the fossils of other vertebrates now
show that so - called apex predators (
animals at the very top of the food chain) already lived early after the mass extinction.
Also, research in other
animal models,
such as rodents, has
shown anesthesia exposure early in life can lead to cell death in the brain and cognitive impairments.
The model
shows that if
animals are still doing what they did before habitat damage caused by decades of agricultural intensification, then large, early - nesting species
such as great tits will be fine, but late - nesting species
such as tree sparrows will decline.
All the infected ferrets and pigs
showed mild signs of illness,
such as sneezing, nasal discharge, and lethargy, but none of the infected
animals became seriously ill.
In the case of Ctenus monaghani it is the great enthusiasm of Dominic Monaghan which even extended to inconspicuous and unpopular
animals such as spiders in his new
show «Wild Things»: «He places nature in the foreground in a very special manner,» says Jäger, when explaining the dedication of the new spider species.
Those mice
showed the expected signs of anxiety,
such as moving around less open spaces and taking longer to start eating in new environments as compared with normal
animals.
Get your science news at our Web site, http://www.ScientificAmerican.com, where you can check out our slide
show called «Blind Sight:
Animals That See without Eyes»,
such as the butterflies with photoreceptors on their butts, and follow us on Twitter where you'll get a tweet whenever a new article hits the Web site.
Infected
animals typically begin
showing symptoms
such as weight loss, lethargy, and drooling 2 to 3 years after infection and then die within months.
The study clearly
shows the benefits of using genetically modified
animals in the research of difficult - to - study neurological conditions
such as Alzheimer's disease.