An Isolated Plant Family

There is a family within the angiosperms (flowering plants) that, from an evolutionary viewpoint, is relatively isolated. The only family that's somewhat closely related to it is that of the morning glory, Convolvulacea. The family in question has about 1700 species, which is not much compared to the diversity within the pea, orchid and sunflower... Continue Reading →

Some Leading Questions About Lead

The ancients were drawn to lead because of its combination of properties: low-melting, very malleable and resistant to corrosion. But it turned out to be very toxic. Although lead's dark side was revealed a long time ago, lead poisoning is still not a thing of the past. The health of workers and children continue to... Continue Reading →

The Causes of Heart Disease: Mostly Not Genetic

Some diseases such as chicken pox, TB, maple syrup urine disease and sleeping sickness are rooted in a single cause of a viral, bacterial, genetic and parasitic nature, respectively. But the two most common cardiovascular diseases, atherosclerosis and stroke, which combine to be the number-1 killer of humans worldwide, result from several factors, most of which... Continue Reading →

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