Twice each day, tides ebb and flow through a maze of sandy channels, mudflats, and mangrove forests that flank the 88 islands and islets of Guinea-Bissau’s Bijagós Archipelago (Arquipélago dos Bijagós in Portuguese). Seen from above in this image from Nov. 28, 2025, the process leads to stark changes to the landscape: around low tide, intertidal mudflats and sandflats […]
Posted on
August 3, 2026
Sign up for our newsletter:
Categories
54
112
67
36
2
11
4
2
14
3
2
1
54
11
15
1
30
5
41
2
95
13
113
35
6
141
13
47
4
1
6
4
14
1
8
18
1
19
3
2
1
3
13
186
1
100
370
3
14
2
10
7
3
1
3
11
159
151
16
3
1
6
386
2
2
1
299
14
1
3
30
3
1
58
1
34
46
1
1
10
7
17
1
1
1
5
1
278
3
45
232
14
10
2
1
2
1
133
4
1
2
45
12
2
3
1
22
10
6
1
136
1
3
10
1
19
9
7
10
10
1
1
34
361
1
21
69
1
18
10
1
385
26
403
11
1
3
19
1
657
2
48
221
4
1
1
21
38
7
2
2
29
1
17
6
6
6
1
40
17
1
1
62
46
1
29
202
107
13
17
1
33
3
105
170
11
3
11
112
6
3
1
4
208
5
27
46
18
1
Blog Posts
APOD: 2026 September 20 – Analemma over the Callanish Stones
September 20, 2026
APOD: 2026 September 19 – A Zodiacal Night
September 19, 2026
NASA Invites Media to Albania Artemis Accords Signing Ceremony
September 18, 2026