News
- Anthropology
Ancestral Bushwhack: Hominid tree gets trimmed twice
In separate presentations at scientific meetings, two anthropologists challenged the influential view that the human evolutionary family has contained as many as 20 different fossil species.
-
Egg’s missing proteins thwart primate cloning
Scientists have identified a reason why cloning a person may be difficult, if not impossible.
- Physics
Not even bismuth-209 lasts forever
Touted in textbooks as the heaviest stable, naturally occurring isotope, bismuth-209 actually does decay but with an astonishingly long half-life of 19 billion billion years.
- Earth
Harbor waves yield secrets to analysis
New findings by ocean scientists may help port officials in Rotterdam, the Netherlands, predict potentially destructive waves in the city's harbor.
