Tag: "sculpted" at biology news

Researchers discover molecular timekeeper in bone development

...mework for the bone. Finally, this raw material is sculpted and hardened into bone. Missteps in this process can result in developmental defects and bone diseases. HDAC4 belongs to a family of enzymes that inactivate genes. Unlike other members of this family which are found in numerous tissues, H...

Neuroscientists locate 'imaginary' colors

...p us to better understand how a baby brain becomes sculpted into the adult form that we all have." Synesthesia may give us clues about how nurture and nature interact to lay down neural pathways, adds Ramachandran. And it provides a unique window into the mind. "Synesthesia might tell us how the brain make...

At long last, scientists figure out how plants grow

...de shoots to appear, giving a plant a denser, more sculpted look. Auxin also promotes fruit development. In strawberries, for example, auxin produced by the developing seeds promotes the growth of a red and juicy fruit. Another protein called ABP1 (Auxin Binding Protein 1) has previously been shown to bind au...

Magdalenian Girl is a woman and therefore has oldest recorded case of impacted wisdom teeth

...ous for its magnificent decorative stone frieze of sculpted horses, bison and deer that is still visited by tourists today. Several years ago, The Field Museum created a cast of the skeleton for exhibition at Cap Blanc in France. The original skeleton will be placed on permanent display as part of Evolving Pl...

Copying nature could save us energy, study shows

...a new type of steerable endoscope). "Evolution has sculpted animals, insects and plants to produce incredibly efficient machines that carry out a range of impressive engineering feats," said Professor Vincent, Director of the Centre. "From the way desert cockroaches gather water to the way wasps bore a hole i...

Salk and Stanford teams join forces to reveal two paths of neurodegeneration

...vegetal or neuronal, must first sprout and then be sculpted into an ordered structure. Neurons extend fibers called axons to target cells in an exuberant manner--some branch to the "wrong" cells while others shoot past their target cells. Axon pieces that went astray degenerate, effectively being "pruned" bac...

Watching rocks grow: Theory explains landscape of geothermal springs

... ponds and terraces, hot spring landscapes are not sculpted by the forces of erosion. Instead, the rocks actually grow at a rate of about 1 millimeter per day. The Illinois group's model correctly simulates the way in which the landscape changes over time. Hot springs comprise a complex ecosystem of interac...

Applied scientists create wrinkled 'skin' on polymers

...tensity of the ion beam, the researchers literally sculpted patterns on flat areas of polydimethylsiloxane, a silicon-based organic polymer (more commonly known as the primary ingredient in Silly Putty). The technique has potential use for biological sensors and microfluidic devices and may offer new ways to ...

Why is the heart heart-shaped?

...eart attain its characteristic shape? Shape may be sculpted by cell movement, cell division, or changes in cell size and shape, all of which can be influenced by the local environment. The heart appears as a simple tube early in development; later, the tube walls bulge outward to form the cardiac chambers. ...

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