Cheating favors extinction

Cooperative behaviour is widely observed in nature, but there remains the possibility that so-called 'cheaters' can exploit the system, taking without giving, with uncertain consequences for the social unit as a whole. A ...

Hummingbirds make flying backward look easy

Animals that move backwards usually require a lot of energy, so Nir Sapir from the University of California Berkeley, USA, was surprised when he realized that hummingbirds execute this maneuver routinely. Wondering how hummingbirds ...

Understanding the flight of the bumblebee

Scientists from Queen Mary, University of London have tracked bumblebees for the first time to see how they select the optimal route to collect nectar from multiple flowers and return to their nest.

Researchers advance in the development of 'papaya sugarcane'

When the papaya (Carica papaya) is ripening, its cell walls separate, making the tissue softer and more digestible. The cell contents become accessible and the sucrose in the fruit is more easily extracted. Sugarcane roots ...

Injection-molding wood powder for sustainable fabrication

Biomass materials such as wood are environmentally-friendly alternatives to fossil resources. As an example, wood is typically non-toxic and carbon neutral. Furthermore, wood can be produced in a sustainable manner by appropriate ...

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