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Posts by
Shireen Gonzaga
For some blenny fish species, looks can be deceiving
DNA analysis is changing the way we classify fish. A recent Smithsonian study of fish thought to be three species of Starksia blennies were actually ten different species, seven of which were hiding in plain sight.
February 9, 2011
Water flea has the largest number of genes known
Of all the animals genome sequenced to date, the tiny water flea has the highest number of genes, more than mice, roundworms, yeast, bacteria ... and humans.
February 7, 2011
The Egyptian jackal is actually a wolf in disguise
Recent DNA studies show that the Egyptian jackal is actually a new subspecies of the gray wolf.
February 6, 2011
The frog that re-evolved to reclaim its missing teeth
For as many as 200 million years, frogs lived without lower teeth. But one frog species has managed to "re-evolve," restoring those missing teeth.
February 4, 2011
Is the bat rabies stereotype true?
Bat-lovers take note! A new study suggests that the incidence of rabies in bats is much lower than previous estimates - only one per cent. Here's my take on it.
February 3, 2011
Human exodus out of Africa gets new timeline
Ancient artifacts found in the Arabian Peninsula, dating back to 100,000 years ago, indicate that the human exodus of Africa occurred earlier than thought.
February 1, 2011
Frozen, ancient Lake Vostok and a race against time
Russian scientists are close to striking liquid water in Antarctica's frozen Lake Vostok, which might have been isolated for 15 million years. But Antarctic summer is ending.
January 31, 2011
How does artificial lighting affect natural body rhythms?
Experiments with mice at Rockefeller University show that artificial lighting can disrupt the natural circadian rhythm, with many detrimental results.
January 27, 2011
Sharks don’t see red
A new study by scientists in Australia shows that sharks don't see their world as we do. The study says that sharks can't see red.
January 26, 2011
Amoebas can grow their own food
Certain kinds of amoebas carry a cache of bacteria that will be grown to feed their newly-hatched offspring. That sounds a lot like farming!
January 24, 2011
