![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQURRZGy_Q_TZm9foOXpV9lA3zGWNkxmRk9rVcj-CJgBzPkbBRwSAfnDcf4jBOVFYyhXK8d2fFnfsgcRKg6g4hz3bFhDM2RbQH4ht87R-somSDQZjCjOXtVYoaMQS5GeZlNW4aQFC2Jha7/s72-c/1202591188_photo_cactusforesttrail019aw.jpg)
Barrel Cactus Part 1
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQURRZGy_Q_TZm9foOXpV9lA3zGWNkxmRk9rVcj-CJgBzPkbBRwSAfnDcf4jBOVFYyhXK8d2fFnfsgcRKg6g4hz3bFhDM2RbQH4ht87R-somSDQZjCjOXtVYoaMQS5GeZlNW4aQFC2Jha7/s72-c/1202591188_photo_cactusforesttrail019aw.jpg)
Barrel Cactus Part 2
Posted by Unknown | 11:34 PM
California barrel cactus, Ferocactus cylindraceus . Barrel cacti are kind of as their names imply, barrels full of water. The problem...
1 comments
Labels:
Cactus,
Desert plants,
Natural history,
Nature,
Plants
Easy Enzyme Experiments Anyone Can Do
Posted by Unknown | 11:33 PM
Three catalase enzyme experiments. More bubbles demonstrate more catalase enzymes. On the left, catalase extract from beef muscle, mid...
0
comments
Labels:
cells,
enzymes,
experiments
How to Make Sauerkraut
Posted by Unknown | 11:30 PM
Every fall I start thinking about making my own sauerkraut. Making your own sauerkraut is really a very simple process once you ar...
0
comments
Labels:
experiments,
sauerkraut
Joshua Trees, Ice Age Sloths, Extinction, and Climate Change Today
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgdqgqA3zWaIbIJVIJt8Cy4mwKJj0-iSQEEtQboHE1Lbnh3v2WzbGuqDJF8Pw_5oOdPF7AzF61Y6j_AjkgwiPyID7cnuHNvF1oj-_wvjSbYmp75A9SCNXnxlcU0QHnoerMoWbbxVonuuG0k/s72-c/KACA_G_18.jpg)
Posted by Unknown | 11:27 PM
With the end of the Ice Age, the giant Shasta ground sloth became extinct in our American Southwest deserts. This extinction happ...
0
comments
Labels:
climate change,
Desert plants,
ice age,
Nature