News tagged with expression

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Activating genes on demand

When it comes to gene expression - the process by which our DNA provides the recipe used to direct the synthesis of proteins and other molecules that we need for development and survival - scientists have ...

13 hours ago
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Living in the genetic comfort zone

The information encoded in the DNA of an organism is not sufficient to determine the expression pattern of genes. This fact has been known even before the discovery of epigenetics, which refers to external ...

Feb 26, 2015
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Mars hills hide icy past

A complex network of isolated hills, ridges and small basins spanning 1400 km on Mars is thought to hide large quantities of water-ice.

Feb 19, 2015
4.9 / 5 (9) 1

Harm and response

We often think of damage on a surface level. But for plants, much of the important response to an insect bite takes place out of sight. Over minutes and hours, particular plant genes are turned on and off ...

Feb 13, 2015
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Dogs know that smile on your face

Dogs can tell the difference between happy and angry human faces, according to a new study in the Cell Press journal Current Biology on February 12. The discovery represents the first solid evidence that a ...

Feb 12, 2015
4.6 / 5 (12) 7

Image: The icy cap at Mars' south pole

Swirls of chocolate, caramel and cream – this image is definitely one to trigger sweet-toothed cravings. Smooth cream-coloured plateaus surrounded by cocoa-dusted ridges interspersed with caramel-hued streaks ...

Feb 10, 2015
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What blind beetles can teach us about evolution

Evolution is often perceived as being a "directional" or "adaptive" process. We often think of species evolving to become stronger or faster, or to have sharper teeth, for example. And we tend to see this ...

Feb 05, 2015
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