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Dolphins use specific whistles as names

African bottlenose dolphins join the list of dolphins known to use signature whistles to address each other – similar to how humans use names.

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Neanderthals bred with modern humans, study confirms

Advanced genetic analysis and statistical modeling have confirmed that early humans mated with Neanderthals.

Image credit: NASA/Ozone Hole Watch

New ozone-depleting chemicals discovered in the atmosphere

Scientists have found four new gases that harm Earth’s ozone layer, despite bans.

Photo credit: Bill Stripling

Hummingbird memory

New research suggests the tiny birds may have what might be called an episodic memory – a trait previously thought unique to humans.

Photo credit:  Anne Froehlich

Lowest temperature for life discovered

Scientists have pinpointed the lowest temperature at which simple life can live and grow.

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Pollution slows coral reef growth

Fine particles produced by burning fossil fuels are slowing coral reef growth, say scientists.

Photo credit: photopedia

Bee brain study reveals pesticide effect

The brain function of important pollinators can be affected by pesticides even at low concentrations, say scientists.

Artists rendition of a High Arctic Camel

Camels once lived in the high arctic

A new way of identifying fossils has enabled scientists to show ancient camels roamed the high Arctic Circle.

Photo credit:  NOAA

Plastic fragments found in fish

Scientists have found tiny fragments of plastic in the digestive systems of fish pulled from the English Channel.

Photo credit: Jim Maragos/U.S. Fish & Wildlife Service

Top conservation issues to look out for in 2013

A team of researchers has identified 15 issues that could affect the diversity of life on Earth in 2013.