There’s a cool new Web site—and iPhone app—that could come in handy in a wide variety of circumstances. It’s called Time Tree. And it tells you how closely related any two organisms are over time. In other words, it’ll tell you what the available data say is the time since any two organisms shared a common ancestor. Time Tree is jointly run by Penn State’s Blair Hedges and Arizona State’s Sudhir Kumar.
有一個非常酷的新網站，它和iPhone 應用程式一樣，能在多個領域裡大顯身手。這個網站叫做“時光之樹”。它會告訴你任意兩種生物在時間長河裡的親密程度。換句話說，它會根據現有資料告訴你，這兩種生物在多少年前有同一個祖先。時光之樹由賓夕法尼亞州立大學的布萊爾·赫奇斯和亞利桑那州立大學的蘇希爾·庫馬爾共同執行。
So let’s say you’re out for a walk in the woods, with your iPhone handy, and you run into a grizzly bear. You quickly load the app and key in the two organisms you’re interested in. Those would be you, a human, and grizzly bear, the thing that’s approaching you alarmingly fast. In just a couple of seconds, you are informed that you and the grizzly bear shared a common ancestor just 98.2 million years ago.
假如說你在森林中散步，手中拿著一部iPhone，迎頭撞上了一頭灰熊。你迅速執行iPhone程式，輸入兩種你感興趣的.生物。那就是你，一個人類，以及一頭灰熊——它正在以驚人的速度向你奔來。在兩秒鐘之後，你就會被告知這頭熊和你在九千八百二十萬年前有著同一個祖先。
If you have a computer and are just curious about the grizzly bear, go to . The results average the findings of published papers relevant to your search and include links to the papers.
如果你有一臺計算機，而且對灰熊感興趣，就登上這個網頁吧。測試結果會給出從相關論文中找到的平均資料，並給出這些論文的連結。
