Essential oils smell great. But what do researchers have to say about the health benefits of essential oils? Are they really safe remedies for anxiety, stress, pain and other health problems? ...read more
Not all creatures need to breed to produce offspring. Animals like zebra sharks and killifish are redefining what scientists thought they knew about asexual reproduction. ...read more
From snake bombs to mosquito armies, biological warfare dates back to ancient empires. Even though they sometimes backfired on their users — and caused many more deaths than intended. ...read more
Conservationists say an off-leash pet dog can cause unexpected harm in natural spaces, including habitat disturbance and wildlife stress or attacks. ...read more