Tree fern genome provides insights into its evolution

Land plants evolved 470 million years ago from algae and have since reshaped our world. Throughout their evolution, ferns have undergone a series of changes that have helped them survive on land. For the first time, researchers ...

Polluted land can be planted with flowers and tobacco

Zinnia (popular ornamental flowers) and tobacco adapt to copper in the soil. They accumulate heavy metal in the roots and limit the transport of copper to the aerial parts of the plant: stem, leaves, and beyond. At the same ...

Copper makes seed pods explode

Plants have evolved numerous strategies to spread their seeds widely. Some scatter their seeds to the wind, while others tempt animals and birds to eat their seed-filled fruits. And a few rare plants—such as the popping ...

Nanotechnology helps soybean growers and the environment

Louisiana farmers rely on herbicides, pesticides and fungicides to protect their crops against weeds, insects and diseases. Even though most farmers try to be good stewards of the environment, some of those chemicals inevitably ...

Creating sustainable material from waste

It's no secret that we need more sustainable materials if we hope to help the planet. Bio-derived materials are one potential option, but they must be economical if anyone is going to use them.

page 4 from 17