My first attempts to transplant nuclei in Xenopus were completely unsuccessful, because the Xenopus egg, unlike those of other amphibians, is surrounded by an extremely elastic membrane and jelly layer that make penetration by a micropipette impossible.
When Galileo first trained his optic telescope on the heavens and opened up modern optical astronomy, that was the first of the electromagnetic windows out of the universe: light.
The uncertainty relation does not refer to the past; if the velocity of the electron is at first known and the position then exactly measured, the position for times previous to the measurement may be calculated.
I was the first black child to desegregate the all-white William Frantz Elementary School in Louisiana in 1960.
Indeed, the very first resolution of the General Assembly of the United Nations - adopted unanimously - called for the elimination of nuclear weapons.
My first husband ran off with Elizabeth Taylor.
Elon Musk is an incredible leader and entrepreneur. I have known him since 1995 when he first came to Silicon Valley.
We barely had cell phones on '90210.' It started in the '90s. That's pretty much when fax machines came into play. When I first got the script for '90210' I had to come into New York to get it. It was not emailed to me; there was no email.
The first misconception is that embryonic stem cell research is not legal. The fact is, embryonic stem cell research is completely legal. Research on embryonic stem cells has taken place for years.
My first novel was rejected by some of the most eminent publishers in the world. Starting again was a real wrench.
Thus, in general, in the first instance, the direction of interest in empirical fact will be canalised by the logical structure of the theoretical system.
A subject which at first glance seems quite removed from the undeclared concern of the book can encapsulate that concern.
The first Christians were formed by the first Easter into a new community that transcended all other commitments, encompassing the tax collector Matthew, a lackey of the occupying Romans, and Simon the Zealot, an insurrectionist.
'Encore' was an experiment. 'Encore' was the second chance at a first impression. 'Encore' was not completely planned.
It is only at the first encounter that a face makes its full impression on us.
I was in my late 20s, in the process of shaping my musical outlook and what I wanted it to be about, when I first encountered Woody Guthrie.
The endeavor to understand is the first and only basis of virtue.
First, Resolve upon, and daily endeavour to practise, a life of seriousness and strict sobriety.
In the tropical and subtropical regions, endemic malaria takes first place almost everywhere among the causes of morbidity and mortality, and it constitutes the principal obstacle to the acclimatization of Europeans in these regions.
BOLD PAC is Hispanic first, Democratic second. And it's a close, close second because we do not engage in endorsing non-Democrats.
