Hemp cannabinoids may have evolved to deter insect pests

Cannabinoids, naturally occurring compounds found in hemp plants, may have evolved to deter pests from chewing on them, according to experiments that showed higher cannabinoid concentrations in hemp leaves led to proportionately ...

Bird species changing faster than expected in protected areas

A recent study by University of Helsinki researchers has found that bird communities inside and outside protected areas are beginning to resemble each other as a result of climate change. In both areas, southern species increased ...

Stars and inner compass guide moths and birds, say researchers

Gray-brown bogong moths may not be much to look at, but every year they perform a nocturnal journey worthy of attention. Billions of them fly as many as 1,000 kilometers from plains in eastern Australia to mountain caves ...

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