Plants don't just grow, they build. From towering trees to delicate flowers, complex plant shapes are sculpted with ...

It forms a solid support. The phloem is towards the centre, outside the xylem. Any green part of a plant above ground, where it is exposed to light, can photosynthesise. But a plant’s leaves are ...

Plant cells use vacuoles to adjust their size and turgor pressure. Vacuoles usually account for changes in cell size when the cytoplasmic volume stays constant. Some vacuoles have specialized ...

This is not an argument for throwing unlimited amounts of taxpayer money at nuclear plants. But more than any other form of electricity generation, nuclear has substantial strategic dimensions.

Spongy mesophyll close spongy mesophyllThe plant tissue in a leaf which has loosely packed cells and air spaces between them to allow gas exchange. tissue is packed loosely for efficient gas exchange.