Category Archives

208 Articles

Food (Why Living Things Need)

Format: Library Binding

Language: English

Format: PDF / Kindle / ePub

Size: 7.08 MB

Downloadable formats: PDF

This experiment was performed to investigate how effective Bernoulli's principle is in lifting objects of different shapes. Without models, it is very difficult to understand what happens at the molecular level. Experimental methods must be designed adequately to test predictions. This can be disastrous, as in the case of the oxygen holocaust. Experiments from molecular biology often take this form, which Baetu calls “one-variable experiments” because they involve a single intervention made on X in the experiment to establish the causal relevance to Y.

Micromonsters: Microscopic Life Up Close

Format: Paperback

Language: English

Format: PDF / Kindle / ePub

Size: 13.37 MB

Downloadable formats: PDF

Others are structural or involved in regulating development. Goethe looked at things in a different manner, different than those thinkers up to his time; "he always attempted to see the individual phenomenon as part of an organic, developing whole ..." Tudor Baetu builds on the contemporary philosophy of mechanism literature as well to provide an account of how different experiments in molecular biology move from finding correlations, to establishing causal relevance, to establishing constitutive relevance (Baetu 2012b).

Respiration and Co-ordination (Nelson Advanced Science:

Format: Paperback

Language: English

Format: PDF / Kindle / ePub

Size: 14.00 MB

Downloadable formats: PDF

Recently Buss, Haselton, Shackleford, Bleske & Wakefield (1998) have published a response to Gould�s (1991) alternative. For example, the structure and basic components of the genetic code have been shown to be the same in organisms as phylogenetically diverse as mammals and bacteria, leading biologists to conclude that it is most likely shared by organisms across the tree of life. Oocytes have a "shell" of proteins and fibers (called the zona pellucida) and it is through this protective coat that Bill injected the nucleus from a quiescent mammary cell into the enucleated oocyte.

Sea Turtle (A Day in the Life: Sea Animals)

Format: Paperback

Language: English

Format: PDF / Kindle / ePub

Size: 11.78 MB

Downloadable formats: PDF

Who needs to calculate the odds against it? Study Guide Answer Key Chapter 1: The Nature of Science Study Guide ANSWER KEY Chapter 1: The Nature of Science was added on 2014-05-02 has been download 32 which last down load at 2014-10-18 19:20:08 Chapter 4 ANSWER KEY. Finally, the fact that synthetic biology technology can be used to design and synthesize dangerous pathogens not found in nature also challenges existing laws regarding what are known as “select agents”—the toxins and pathogens that can pose a severe threat to human, plant or animal health that are regulated by the Centers for Disease Control and Prevention.

Organisms That Glow (Nature's Mysteries)

Format: Library Binding

Language: English

Format: PDF / Kindle / ePub

Size: 13.51 MB

Downloadable formats: PDF

Unfortunately, the selection for turfgrass insect resistance appears less important and more difficult to obtain in breeding programs than other characteristics. What causes this devastating natural disaster? Also popular is so-called High temperature – Short period pasteurisation. – Homogenisation – essentially the breaking up of, and better dispersing of, fat droplets in order to enhance the emulsion of fat into the ice cream base (thereby avoiding that the water and the fat in the ice cream separate).

Stones & Bones: A Child's Guide to Evolution

Format: Hardcover

Language: English

Format: PDF / Kindle / ePub

Size: 11.06 MB

Downloadable formats: PDF

He "starved" the cells of important nutrients and the cells stopped growing and dividing. The transformed system shows that soil moisture storage within the root zone can produce an ET-VPD hysteresis prototypical of those generated by phase-angle differences. Parents who rely on induction engage their children in reasoning when they have done harm, prompting their child to think about the consequences of their actions and how these actions have harmed others.

Cryobiology (Cool Science)

Format: Paperback

Language: English

Format: PDF / Kindle / ePub

Size: 5.84 MB

Downloadable formats: PDF

Primates such as great apes spend hours a day grooming each other, even when there are no lice in their physical environment. Comprehensive introduction to common scientific laws of both the natural world and engineered worlds. FLATOW: Do you think when you bring scientists and artists and writers together, they actually inspire each other, give each other ideas? Researchers tap into ongoing dengue studies to improve antibody-based diagnostic tests for Zika and address unanswered questions about the emerging virus’s epidemiology.

Brain Power (Bodyscope)

Format: Hardcover

Language: English

Format: PDF / Kindle / ePub

Size: 11.36 MB

Downloadable formats: PDF

So the smile is interesting to those of us who study it because it’s not just one thing. Admittedly, computers now play chess at the grandmaster level, but do they understand the game as we do? For a more detailed description of the lessons, visit the middle school Physical Science course overview. The anelastic differential equation of motion that is solved does not include traditional nonlinear elasticity terms appropriate to materials with atomic elasticity, but contains the dominant anelastic terms appropriate to consolidated materials that exhibit hysteretic elastic behavior.

12 Things to Know about Invasive Species (Today's News)

Format: Hardcover

Language: English

Format: PDF / Kindle / ePub

Size: 9.51 MB

Downloadable formats: PDF

Nils Heribert-Nilsson, Professor of Botany at the University of Lund in Sweden and a member of the Royal Swedish Academy of Sciences, stated: "My attempts to demonstrate Evolution by an experiment carried on for more than 40 years have completely failed. For instance, there is a formal analogy between a swinging pendulum and an oscillating electric circuit because they are both described by the same mathematical equation. More » In this lively and illuminating discussion of his landmark research, esteemed primatologist Frans de Waal argues that human morality is not imposed from above but instead comes from within.

Muscles: Our Muscular System

Format: Paperback

Language: English

Format: PDF / Kindle / ePub

Size: 10.29 MB

Downloadable formats: PDF

Studying Heredity in Biology is called genetics (Klug/1997). Animals advertise their ownership of these territories by visual and chemical signals that deter their competitors from encroaching on their turf. What is Intelligent Design and does the exhibit address it? Japanese beetles have twelve white tufts of hair are present along the sides of the abdomen and at the tips of the wing cover, and plate-like antennae. Four studies examined associations between car use and physical activity.