1

Faint young sun: Scientists struggle to understand how early Earth stayed warm enough for liquid water

Year:
2013
Language:
english
File:
PDF, 3.37 MB
english, 2013
3

Life: Early arthropod had fancy brain: Fossil preserves three-part central nervous system

Year:
2012
Language:
english
File:
PDF, 1.36 MB
english, 2012
4

Early arthropod had fancy brain

Year:
2012
Language:
english
File:
PDF, 1.11 MB
english, 2012
5

No home for Homo sapiens

Year:
2012
Language:
english
File:
PDF, 1.06 MB
english, 2012
6

Egg wars

Year:
2012
Language:
english
File:
PDF, 1.02 MB
english, 2012
7

Earth: Western terrain a two-step job: North America's tectonic history gets more jumbled

Year:
2013
Language:
english
File:
PDF, 317 KB
english, 2013
10

People: The science life: Creating small wonders

Year:
2012
Language:
english
File:
PDF, 1.11 MB
english, 2012
11

When the way forward freezes over

Year:
2012
Language:
english
File:
PDF, 522 KB
english, 2012
12

Atom & Cosmos: Mars clays may have volcanic past: Chemistry suggests deposits didn't need flowing water

Year:
2012
Language:
english
File:
PDF, 910 KB
english, 2012
13

Life: Egg wars

Year:
2012
Language:
english
File:
PDF, 1.37 MB
english, 2012
14

Life: How dino teeth got their groove

Year:
2012
Language:
english
File:
PDF, 2.14 MB
english, 2012
15

Genes & cells: No home for Homo sapiens : African DNA analysis fails to locate birthplace of species

Year:
2012
Language:
english
File:
PDF, 1.02 MB
english, 2012
16

Earth: Ozone hole hits smallest maximum

Year:
2012
Language:
english
File:
PDF, 973 KB
english, 2012
17

Environment: Polar ice sheets shrinking overall: Greenland and Antarctica both lost mass over two decades

Year:
2012
Language:
english
File:
PDF, 747 KB
english, 2012
19

Humans: Theory: Survival of the fistest: Hand evolved partly for combat, researchers claim

Year:
2013
Language:
english
File:
PDF, 618 KB
english, 2013
20

Mars clays may have volcanic past

Year:
2012
Language:
english
File:
PDF, 1.12 MB
english, 2012
21

Polar ice sheets shrinking overall

Year:
2012
Language:
english
File:
PDF, 1.12 MB
english, 2012
22

Out on a limb: Fossils suggest early bipedal hominids still climbed

Year:
2012
Language:
english
File:
PDF, 1.23 MB
english, 2012
23

New pathway proposed for ancient flood

Year:
2012
Language:
english
File:
PDF, 1.15 MB
english, 2012
24

Earliest projectile weapons found

Year:
2012
Language:
english
File:
PDF, 1.88 MB
english, 2012
25

Ozone hole hits smallest maximum

Year:
2012
Language:
english
File:
PDF, 1.06 MB
english, 2012
26

FEEDBACK

Year:
2012
Language:
english
File:
PDF, 1.05 MB
english, 2012
28

SCIENCE NOTEBOOK

Year:
2012
Language:
english
File:
PDF, 897 KB
english, 2012
29

PEOPLE

Year:
2012
Language:
english
File:
PDF, 934 KB
english, 2012
30

Science visualized: Seismic signals chronicle deadly landslide

Year:
2014
Language:
english
File:
PDF, 5.31 MB
english, 2014
32

Humans: Date of Neandertal demise debated: Improved radiocarbon method suggests older age for fossils

Year:
2013
Language:
english
File:
PDF, 502 KB
english, 2013
33

People: The science life: Finding the brain's common language

Year:
2013
Language:
english
File:
PDF, 2.32 MB
english, 2013
34

Science visualized: Reconstructing a big-mouthed ancestor

Year:
2015
Language:
english
File:
PDF, 404 KB
english, 2015
35

Environment: California farms water Southwest: Central Valley irrigation makes Colorado River basin wetter

Year:
2013
Language:
english
File:
PDF, 1.01 MB
english, 2013
36

Environment: Waste heat warms climate: Energy use in cities may alter atmospheric circulation

Year:
2013
Language:
english
File:
PDF, 1.01 MB
english, 2013
37

Earth: Glaciers carve future ice paths

Year:
2013
Language:
english
File:
PDF, 1.77 MB
english, 2013
38

Life: Craters may have nurtured early life: Cosmic crashes could have created hydrothermal havens

Year:
2013
Language:
english
File:
PDF, 769 KB
english, 2013
40

Environment: Melting ice spurs algae

Year:
2013
Language:
english
File:
PDF, 894 KB
english, 2013
41

Earth: Forests once covered Arctic: Warm era had greenhouse gas levels like today's

Year:
2013
Language:
english
File:
PDF, 1.06 MB
english, 2013
42

Taking Antarctica's temperature: Frozen continent may not be immune to global warming

Year:
2013
Language:
english
File:
PDF, 9.21 MB
english, 2013
43

Life: Elephants' chomper change

Year:
2013
Language:
english
File:
PDF, 965 KB
english, 2013
44

Earth: Seismic activity reveals landslides: Earthquake monitoring system can detect rock avalanches

Year:
2013
Language:
english
File:
PDF, 1.41 MB
english, 2013
45

AAAS meeting: Meeting notes: Finger ridges may help primates climb trees

Year:
2013
Language:
english
File:
PDF, 579 KB
english, 2013
46

Humans: Y Chromosome Adam gets older: Male and female ancestors were roughly contemporary

Year:
2013
Language:
english
File:
PDF, 563 KB
english, 2013
47

Story one: Distant planets atmospheres come into view: Telescopes analyze gases on worlds light-years away

Year:
2013
Language:
english
File:
PDF, 1.26 MB
english, 2013
48

Group to group: Wild chimpanzees pick up ant-fishing behavior from a female immigrant

Year:
2013
Language:
english
File:
PDF, 1.63 MB
english, 2013
49

Life: Camel ancestors lived in Arctic

Year:
2013
Language:
english
File:
PDF, 769 KB
english, 2013
50

Environment: Antianxiety drugs affect fish: Perch eat faster and swim more with low-level exposure

Year:
2013
Language:
english
File:
PDF, 894 KB
english, 2013