### Blog Carnivals

### Blogs I Follow

### Meta

### Blogroll

### Categories

### Tags

- addition
- algebra
- art
- autumn
- base ten
- biology
- blocks
- books
- botany
- braids
- calculus
- children
- combinatorics
- counting
- dominoes
- ecology
- elementary education
- engineering
- fall
- flexagons
- geometry
- graphs
- graph theory
- hickory
- infinity
- integers
- kids
- kindergarten
- knots
- knot theory
- large numbers
- leaf
- leaves
- links
- loops
- math
- math books
- math education
- mathematical knots
- mathematics
- mathematics education
- math puzzles
- maths
- math with paper
- math with scissors
- math with tape
- multiplication
- natural history
- nature
- numbers
- number theory
- origami
- parabola
- parabolas
- partitions
- partitions of graphs
- pentominoes
- plants
- polyominoes
- pop culture
- pop math
- puzzle
- puzzles
- Python
- radlams
- rationals
- recreational math
- recreational mathematics
- science
- scissors
- sentences
- shutdown
- sudoku
- tape
- topology

# Tag Archives: natural history

## Fruit in its Season

After a brief walk around the back-yard woodlot yesterday, here’s what ended up in my pocket.

## Sweetgum Leaf Ecology

These are sweetgum (Liquidambar styraciflua) leaves. They are quite common here in the Eastern US and give us some very nice Fall color. 1. These tufts of hairs are called domatia, which means little houses. As far as biologists can … Continue reading

Image
November 17, 2013
Tagged autumn, biology, botany, domatia, ecology, fall, fall color, kids, leaf, leaves, mathamatics, mites, natural history, nature, science, sweet gum, sweetgum
1 Comment

## Chestnut Oak Leaf Ecology

I believe, but I’m not totally sure that I have Chestnut Oak (Quercus prinus) and Swamp Chestnut Oak (Quercus michauxii) growing in my backyard. The two leaves on the left I think are Swamp Chestnut Oak. The leaf on the … Continue reading

## Hickory

The shutdown is over! (Hooray!) Instead of a puzzle today, I’ll share this hickory leaf (yes, that’s one leaf. It’s a compound leaf). We’ve been in our house for several months, but only recently (during the shutdown–I had extra time) … Continue reading

## Name change and pine cones

I’ve just added “science” to the name of this blog. I want to start adding some science posts also. Here is the first. It’s an extremely short time-lapse video of a pine cone opening. I hope to add some more … Continue reading

Posted in ecology
Tagged conifer cones, natural history, nature, pine cones, science
Leave a comment