# Items where Subject is "Natural Sciences"

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- APF focus areas (618)
**Natural Sciences**(618)- Earth sciences (4)

- Life sciences; biology (129)

- Mathematics (389)

- Physics (39)

- Plants (Botany) (8)

**57**.

## (

(CoMaC), Community Mathematics Centre
(2017)
*What’s the
next number?*
At Right Angles, 6 (2).
pp. 54-56.

## ,

, Nature Conservation Foundation
(2016)
*Nature calls: a seris of nature-based outdoor activities.*
I wonder (2).
pp. 107-108.

## A

A S, Shailesh
(2013)
*How To Prove It.*
: At Right Angles, 2 (3).

Athmaraman, R.
(2013)
*Problems for the
Middle School.*
At Right Angles, 2 (3).
pp. 1-3.

## B

Bapat, Bhas
(2016)
*Why do experiments?*
I Wonder (2).
pp. 50-51.

## C

COMMUNITY MATHEMATICS CENTRE, CoMaC
(2017)
*Problem concerning
rational numbers.*
At Right Angles, 6 (2).
pp. 98-102.

COMMUNITY MATHEMATICS CENTRE, CoMaC
(2017)
*Theorem concerning a
right triangle.*
At Right Angles, 6 (2).
pp. 95-97.

Chintha, Rohini
(2018)
*Discovering Helical Staircase.*
I Wonder (5).
pp. 60-67.

CoMaC, CoMac
(2013)
*A Tale of Two
Formulas.*
At Right Angles, 2 (3).
pp. 1-4.

Contractor, A.Q.
(2018)
*Clean energy.*
I Wonder (5).
pp. 53-59.

## D

D. B., Beena
(2019)
*Interview with Beena D B.*
I wonder (3).
pp. 89-92.

DE, PRITHWIJIT
(2017)
*On problem posing.*
At Right Angles, 6 (2).
pp. 82-85.

DE VILLIERS, M
(2013)
*A Trapezium
Theorem
Generalized.*
At Right Angles, 2 (3).
pp. 1-4.

DE VILLIERS, MICHAEL
(2017)
*An example of constructive defining:
from a golden
rectangle to golden
QUADRILATERALS
and beyond.*
At Right Angles, 6 (2).
pp. 74-81.

De, P and Shirali, S
(2013)
*Problems For The Middle School.*
At Right Angles, 2 (3).
pp. 1-2.
(Submitted)

De, Prithwijit and Shirali, Shailesh
(2017)
*Problems for the senior school.*
At Right Angles, 6 (2).
pp. 92-94.

Dongaonkar, Bhaktee
(2016)
*We are what we remember: unravelling memories.*
I wonder (2).
pp. 117-121.

## G

Gaur, S
(2013)
*An ‘Origamics’
Activity: X-lines.*
At Right Angles, 2 (3).
pp. 1-3.

Gonick, Larry
(2017)
*A review of
the cartoon guide
to Algebra and
the cartoon guide
to calculus.*
At Right Angles, 6 (2).
pp. 106-112.

Gopalan, Radha
(2018)
*Powering(human) life on earth.*
I Wonder (5).
pp. 45-52.

Gowrishankar, Kripa and Rao, Madan
(2016)
*Nonequilibrium phase transitions, fluctuations and
correlations in an active contractile polar fluid.*
Soft Matter, 12 (7).
pp. 2040-2046.

## I

Iyer, Geetha
(2016)
*Pollinators or plant munchers? the butterflies.*
I wonder (2).
pp. 98-106.

## J

JOARDAR, BODHIDEEP
(2017)
*A Property of Primitive
Pythagorean triples.*
At Right Angles, 6 (2).
pp. 67-68.

## K

Kang, Gagandeep
(2016)
*We have company: how gut bacteria influence, health and disease.*
I wonder (2).
pp. 122-126.

Khurana, Satish
(2015)
*An interview with Dr Satish Khurana.*
I Wonder (1).
pp. 63-67.

Kumar, Arvind
(2015)
*Nature of science.*
I Wonder (1).
pp. 33-38.

## M

Mandal, Lolitika
(2016)
*Interview with Lolitika Mandal.*
I Wonder (2).
pp. 62-65.

Mishra, P and Gaurav, B
(2013)
*Introducing
Ambigrams.*
At Right Angles, 2 (3).

Mukherjee, Amitabha
(2018)
*The mystery of dark energy.*
I Wonder (5).
pp. 38-44.

Mukunda, M
(2013)
*Book Reviews.*
At Right Angles, 2 (3).
pp. 1-9.

## N

NAIR, VINAY
(2017)
*Divisibility by
Primes.*
At Right Angles, 6 (2).
pp. 63-66.

Nagendra, Harini
(2016)
*Classics.*
Resonance: Journal of Science Education, 21 (2).
pp. 189-198.

Nagendra, Harini
(2016)
*Editorial: Resonance, February 2016.*
Resonance, 21 (2).
p. 111.

## O

OXMAN, VICTOR
(2017)
*Property associated with
the Orthocentre of a Triangle
PROPERTY ASSOCIATED WITH THE ORTHOCENTRE OF A
TRIANGLE
A PROOF
WITHOUT WORDS.*
At Right Angles, 6 (2).
pp. 75-76.

Orlin, Ben
(2013)
*A
Fight With
Euclid.*
At Right Angles, 2 (3).
pp. 1-5.

## P

PARTHIV, DEDASANIYA
(2017)
*An investigation with
TRIANGLES
& CIRCLES.*
At Right Angles, 6 (2).
pp. 69-72.

Pragadheesh, V.S. and Olsson, Shannon
(2018)
*The scent orchestra of flowers.*
I Wonder (5).
pp. 68-74.

## R

Raj, Sangeetha and , Ishan
(2016)
*Elementary, my dear Watson!*
I wonder (2).
pp. 109-111.

Ramachadran, M
(2013)
*The Gregorian
Calendar.*
: At Right Angles, 2 (3).
pp. 1-3.

Ramesh, Sreekantan
(2013)
*Yitang Zhang and
The Twin Primes
Conjecture.*
At Right Angles, 2 (3).
pp. 1-4.

## S

SAHA, SUHAS
(2017)
*Teaching the
ternary base
using a card trick.*
At Right Angles, 6 (2).
pp. 22-29.

Sastry, Aniruddh and Purandhare, Anagh
(2018)
*The chemistry of life.*
I Wonder (5).
pp. 75-80.

Sethuraman, B A
(2013)
*Fermat Numbers.*
At Right Angles, 2 (3).
pp. 2-5.

Shirali, P
(2013)
*Teaching Subtraction.*
At Right Angles, 2 (3).
pp. 1-16.

Shirali, S
(2013)
*The Closing Bracket . .*
At Right Angles, 2 (3).
p. 1.

Shirali, Shailesh
(2017)
*Adventures in problem-solving : a math olympiad problem...
and a few cousins.*
At Right Angles, 6 (2).
pp. 101-105.

Shirali, p
(2013)
*Exploration of
Recurring Decimals.*
At Right Angles, 2 (3).
pp. 1-4.

Shivanand, Thejaswi
(2016)
*Oliver sacks: the doc on the bike and the brain.*
I wonder (2).
pp. 112-116.

Sreedevi, S and Banrejee, J and Titus, S
(2013)
*Teacher’s Diary
on Classroom
Assessment.*
At Right Angles, 2 (3).
pp. 1-5.

Sury, B
(2013)
*Harmonic Sequence
and Pascal’s Triangle.*
At Right Angles, 2 (3).
pp. 1-4.

## T

TIKEKAR, V G
(2013)
*There are Infinitely
many Primes.*
At Right Angles, 2 (3).
pp. 1-4.

TITUS, SNEHA
(2017)
*Problems for the
MIDDLE SCHOOL.*
At Right Angles, 6 (2).
pp. 86-91.

Tamma, Krishnapriya
(2016)
*Reconstructing the history of life a genetic approach.*
I wonder (2).
pp. 128-133.

## V

VAIDYA, ARUN
(2017)
*The breaking of the
IM CODE.*
At Right Angles, 6 (2).
pp. 5-11.

VISWANATH, SANKARAN
(2017)
*Predicting the
future.*
At Right Angles, 6 (2).

Vallath, Ramgopal (RamG)
(2016)
*The demotion of pluto.*
I Wonder (2).
pp. 57-61.

Venkateswaran, T V
(2015)
*J. B. S. Haldane: a "great rascal of science".*
I Wonder (1).
pp. 53-56.