Genetics
-
GeneticsDNA hints at ancient cousins
Scientists find evidence of an extinct humanlike species within modern-day Africans.
By Roberta Kwok -
-
Health & MedicineTomatoes’ tasteless green gene
The tomatoes your great-grandparents ate probably tasted little like the ones you eat today.
By Roberta Kwok -
-
ChemistryDNA, RNA…and XNA?
Scientists create artificial genetic molecules that can carry information, evolve.
By Roberta Kwok -
GeneticsSniffing out truffle scent
Genetics, not geography, plays key role in the aroma of the delicacy.
By Roberta Kwok -
AnimalsCosts of missing sleep
Some fruit flies do fine without sleep, as long as they’ve got enough to eat.
-
-
-
-
-
AnimalsAfraid of its own fishy reflection
A cichlid brain works differently when the fish attacks its mirror image.