In microbiology the roles of mutation and selection in evolution are coming to be better understood through the use of bacterial cultures of mutant strains.
Evolution on the large scale unfolds, like much of human history, as a succession of dynasties.
A technological advance of a major sort almost always is overestimated in the short run for its consequences - and underestimated in the long run.
A virus is not just DNA; a virus is also packaged up, covered over with a series of proteins in a nice, elegant, well-compacted form.
I can't imagine anything more important than air, water, soil, energy and biodiversity. These are the things that keep us alive.
Ultimately we need to recognize that while humans continue to build urban landscapes, we share these spaces with others species.
Water is our most precious resource, but we waste it, just as we waste other resources, including oil and gas.
Many scientists and economists also say putting a price on carbon through carbon taxes and/or cap-and-trade is necessary.
Because countries often have differing political and economic systems, agreements are needed to protect those invested in trade.
You may depend on it that the bunting, emberiza miliaria, does not leave this country in the winter.
Even if you are on the right track, you will get run over if you just sit there.
We emerged out of nature, and when we die, we return to nature. We need to know there are forces impinging on us that we will never understand or control. We need to have sacred places where we go with respect, not just looking for resources or oppor...
I cried on my 18th birthday. I thought 17 was such a nice age. You're young enough to get away with things, but you're old enough, too.
Es nuestra concepción de la muerte lo que determina nuestras respuestas a todas las preguntas que la vida nos plantea.
All my favorite stars, my family and my friends are here. I'm having the happiest birthday that an 18-year-old girl could ever have.
In the Mexican culture, we never miss a baptism, a birthday, a baby shower, a wedding shower, a wedding. You must show up. Otherwise, you'll be in big trouble.
I was very aware of Jeff Buckley. My brother actually bought me The Mamas And The Papas and Jeff Buckley for my birthday when I was in my early teens.
If every year is a marble, how many marbles do you have left? How many sunrises, how many opportunities to rise to the full stature of your being?
I often go to bed in my birthday suit. But I like teddies and cute little undies that match. I like a sexy bra and panty set, or little shorts.
I'm not a birthday person. Maybe because I don't like to build expectations around that one day. You never know how it'll turn out to be.
The thrill of performing - that's something that hasn't changed for me. That simultaneous joy of creating something and sharing it with an audience - it's the same now as it was then, when it was just my cousins' birthday party.
